Dial Tone, Busy and Ringback Signals by Country. Refer to the following tables for dial tone, busy, and ringback signals by Country: Dial Tone Signal by Country. Country. ... Ring-back Signaling by Country. Country. Frequency. Second Frequency component (if used) Cycle Duration. Period 1 On. Period 1 Off. Period 2 On.Oct 17, 2023 · II. The Beginnings of Ringback Tones. Origins of the Ringback Tone Ringback tones were first introduced as a way for mobile phone users to customize their calling experience. They replaced the standard ring sound that callers heard while waiting for someone to answer with a short audio clip of music or other sounds. A ringback tone is the music or sound that someone hears when they call your phone, before you answer the call. It’s a great way to add some personality and flair to your phone, and show off your favorite songs or artists. In this article, we’ll explore what ringback tones are, how they work, and why you should consider getting one. Oct 15, 2008 · A Cisco IP phone user place a call to PBX user, and tone ringback is heard. 10-15-2008 01:24 PM. This could be attributed to the fact that the gateway was unable to determine the progress-indicator in the call setup and consequently could not cut-through the audio befor the call was answered. You could try a couple of commands on the gateway:-. Ringback tones (RBT) are actually a throwback to circuit-switched phone networks such as PSTN (Public Switched Telephony Network) ( abbreviations explained …Sep 1, 2020 · Customers were able to have a standard ringback tone or customized tones for different callers based on the caller ID, group list, or time of day, the company said at the time. After several years ... Short answer: very likely. Countries often do not use the same sound frequency and cadence for the sounds we hear when dialing a phone number: ringback tone, busy tone, and so on. The International Telecommunication Union publishes a PDF document describing ringing tones used by national networks across the world. ring-back tone 〔電話をかけたときの〕呼び出し音 - アルクがお届けするオンライン英和・和英辞書検索サービス。We would like to show you a description here but the site won’t allow us.Dec 22, 2023 · To change your ringback tone on your Samsung phone, follow these simple steps: 1. Open the settings menu on your phone. 2. Scroll down and tap on “Sounds and Vibration” or a similar option. 3. Look for the “Ringtone” or “Phone ringtone” option and select it. 4. You will see a list of available ringback tones. Sep 1, 2020 · Verizon customers can no longer subscribe or purchase ringback tones. As of Aug. 26, Verizon customers will no longer be able to subscribe to the phone company's ringback tone program, or purchase any of their 2,400 ringback tones, according to Verizon. On Oct. 31, the program will officially cease to exist, discontinuing current ringback tone ... Spacy Ringback. Ringback funny. Country boy. Grandma Ringback. Oceans. Head over heels. Leave A Message. Search free ringback tones Ringtones on Zedge and personalize your phone to suit you. Start your search now and free your phone.Users should be compensated for assigning advertising messages as their ring‐back tones. Compensation can be done in various ways, such as receiving free minutes, free SMSs, free ring‐back tones, donation to charity, downloadable application or WAP based benefit programs, etc.In this episode, Chad talks about banjo tone rings. Learn what the differences are between all of them.For any questions or if you need any banjo related hel...The company claims to have invented ringback tones in '02 and currently runs ringback services for 12 cellphone carriers worldwide (Verizon and T-Mobile in the states), so she should know.1.7K views, 121 likes, 3 loves, 3 comments, 6 shares, Facebook Watch Videos from stc Bahrain: This Eid, add up to 5 Ring Back Tones in a single shuffle... 1.7K views, 121 likes, 3 loves, 3 comments, 6 shares, Facebook Watch Videos from stc Bahrain: This Eid, add up to 5 Ring Back Tones in a single shuffle playlist and greet all those who call you with...Ring back tones offer subscribers the chance to uniquely register their identity to their callers by greeting callers with their favorite tune, sound, or phrase instead of the usual ringing tone. 6d Technologies offers CRBT, the innovative service giving subscribers the ability to decide what a caller will hear during interconnection.Drag the "Ringer and Alerts" slider to the right to increase the volume of your ringtone. You'll hear a preview of the ringtone's volume as you move the slider. [2] If you often use your iPhone in a louder environment, some of the more mellow ringtones might not break through the noise. Tap Ringtone and try selecting a different sound. Ringback Tones and Verizon Tones Discontinued. The Ringback Tones service has been discontinued and is no longer supported by Verizon. If you had a subscription to Ringback Tones and Ringback Tones that you purchased from the Media Store or Verizon Tones app, they were automatically removed from all lines on your account. The SKIZA Ads Reverse Ring Back Tone Service is provided by Adtones Limited a Company registered under UK Law, Company No. 9515191, based in 35A South Street London W1K 2XF United Kingdom (hereinafter “We”), in partnership with Safaricom PLC. The Service will run on the Safaricom PLC’s network. It is a Service in which an …Robi GoonGoon is a Caller Ring Back Tone service that allows you to set a song, tone, music, funny messages or sounds as a Ring-Back Tone for your callers. ... The fall back charging in case of you are having low balance will be applicable as mentioned on the charging section above.Ring back tone service gives subscribers the flexibility to greet callers with their favorite tune, sound, video or phrase instead of the usual ringing tone or even a short video clip. Subscriber can choose ring tone or short video/movie for caller hear while waiting for the call to be connected, and subscribers have an instant way to express their own individuality.SKT’s LTE and 5G subscribers can sign up for the V Coloring service online or offline and download the V Coloring app from Google Play or One Store. Customers can choose to have different video ringback tones play for different contacts or at different times of the day. In 2002, SKT launched the world’s first ringback tone service named ...23:14 Jun 26, 2014. English to Portuguese translations [Non-PRO] General / Conversation / Greetings / Letters. English term or phrase: ring-back tone. When the ring-back tone rings, the user lifts up the handset or the receiver of external telephone to speak. PT-BR*. Andre Damasceno.Promote new songs, friends activity, special occasion’s tones, like world cup or sponsored, with Seasonal or Evergreen Campaigns, on certain dates and on special occasions, directly to the users’ phone with an easy to use, wizard based, campaign management tool. (e.g. Find the No1 song of the day you were born and let those calling you hear ...Dial Tone, Busy and Ringback Signals by Country. Refer to the following tables for dial tone, busy, and ringback signals by Country: Dial Tone Signal by Country. Country. ... Ring-back Signaling by Country. Country. Frequency. Second Frequency component (if used) Cycle Duration. Period 1 On. Period 1 Off. Period 2 On.Caller Ring Back Tone for free. Also, included is a wearable feature app which makes your watch vibrate differently on the same situation. If you like this app, then you might also enjoy our other app that announces the callers name during a second call event. Safety starts with understanding how developers collect and share your data.2. Sep 1, 2021. #1. Greetings, I would like to know if there is a way to disable early media or the auto generated ring back tone when using web client or 3CX Apps , When dialing external numbers for example, user hears a ring back tone while 3CX is trying to connect the call ... Then the actual ringing tone, busy tone or whatever the response ...呼出音 （よびだしおん） [1] [注 1] または リングバックトーン （ ringback tone, RBT）とは、 電話 を掛けた際に相手を呼び出しているときに 電話交換機 から発呼側に送られ …The ringing tone people hear when calling your cell phone abroad. Do people calling my cellphone hear a different ringing (a.k.a. ringback tone) when I am abroad? Short …If it is a CQ you might here a ring back tone first, not sure if MS sends a 180 Ringing with SDP or without (with or with out ring back tone media). And shortly after that you should here the Welcome message or directly the On Hold music. If it is a AA you should here the Welcome message and then the IVR menu. /Linus. 0 Likes.Comviva’s caller ring-back tone (CRBT) facility is an end-to-end solution that supports a gamut of activities, from customer acquisition to subscription management. The facility facilitates customer segmentation by identifying usage patterns to help promote appropriate content to customers. The facility enables assured service management ...Comviva, the global leader in providing mobility solutions, today announced that its caller ring back tone (CRBT) Platform is powering one billion caller tunes in India every-day, constituting 86 percent of all the CRBT traffic originating in the region. Globally, the company is powering personalized music ring back tone for 224 million mobile ...There are different types of tone rings and the three most common styles for Old Time open back banjos were all originally developed over 100 years ago. Today, different manufacturers will make their own version of each type of tone ring, but all include the same basic design features. The three most common style tone rings for Old Timey …But after call are forwarded to extension there is no ring back tone. For example.. While greetings is played i dialed 2,then call 14753.Call is connected. But no ringback tone. So that i am not able to understand phone is ringing or not. CUCM and CUC is SIP integration. H323 with PSTN. Please help me to solve the issue.Ringback number. A ringback number is a telephone number for a telephone line that automatically calls the line that the call was placed from, after the caller has hung up. The typical use of this facility is by telephone company technicians for testing a new installation or for trouble-shooting. [1]Ring Back Toneの意味や使い方 呼出音 - 約821万語ある英和辞典・和英辞典。発音・イディオムも分かる英語辞書。Choose the User Info for Ring Back Tone option if you use inter-cluster trunks and any of the clusters run Cisco CallManager version 3.1 or earlier. However, if all of the clusters run Cisco CallManager 3.2(2a) or a later release, choose the H225 Info for Ring Back option. Default: User Info for Ring Back Tone. ToSendH225UserInfoMsg in Cisco ...With a Ring Back Tone, the phone user selects a song instead of the standard ringtone for his/her callers to hear before the phone is answered. 3. Is Ring Back Tone service available to all Digicel customers? The Ring Back Tone service is a network feature and is compatible with all Digicel phones. 4.1. Oct 18, 2012. #2. pti2000, You mean the ring cadence (I believe that Elastix does call this a ring back tone for some reason). The ringback tone is what the caller hears. Try going to "PBX" tab, then on left side select "Parking lot" and on that page there is a spot to select "alert for orphand calls". In most cases the phone it's self on ... When your phone rings, theirs rocks. Ringback Tones from Verizon Wireless are a must-have. When friends call you, they'll hear actual song clips of your choosing until you pick up the call or until they're sent to Voice Mail. And you can personalize your tones so each person or whole groups hear the specific song you set for them. To activate Sada service, send 1616 to 900. To deactivate Sada service, send 1617 to 900. To browse and download ring tones after subscription: Call 1616 or. Log in to Sada webpage. After having the required ringtone code, send an SMS to 1616 containing the code. To cancel and remove the ring tone from your library, send an SMS containing the ...Quick math lesson: there is an average of 12 billion phone calls made per day; in those calls, an average of 10 seconds is spent listening to the brrng-brrng sound. …There are different types of tone rings and the three most common styles for Old Time open back banjos were all originally developed over 100 years ago. Today, different manufacturers will make their own version of each type of tone ring, but all include the same basic design features. The three most common style tone rings for Old Timey …A choice of more than 10,000 new and old mega hits from the best Arabic, Bollywood and Western artists - the widest range in the UAE sourced from du’s exclusive arrangements with renowned content providers like Rotana and Hungama are available which means callers now literally have a world of choice to personalize the ringing tone that people hear.What's CRBT. First from MTC, the call ring back tone (CRBT) service allows you to personalize your incoming calls by selecting music. Rather than hearing a ringing tone until you answer a call, your friends, family and colleagues will hear your song selection. Choose from local to International hits, whacky sounds to pure instrumental and more.Caller ring back for auto attendant redirect (Direct routing) - Silence while redirecting Hi All, We're setup with ported direct routing telephone numbers and have assigned a phone number to a resource …อยากยกเลิก RIng Back Tone ของทรูค่ะ. truemove truemove H ระบบเติมเงิน (Prepaid) ร้องทุกข์ บริการเสริมเครือข่ายโทรศัพท์มือถือ. คือตอนนั้นเหมือนจะมีให้ ...No. 475, Union Place, Colombo 00200. +94 777 887 887. Download on the App Store Get it on Google Play. Contact Form. businesses to enhance engagement by customized mobile ring-back tones, replacing standard tones with …You can activate Ring Tune service by following methods. • Call 7979 (call will be free of charge) from your MPT number and follow the instructions to choose your favorite tune • SMS: send REG M to 7979 for monthly service, send REG W to 7979 for weekly service or send REG D to 7979 for daily service, or send REG S to 7979 for daily subscription and …Short answer: very likely. Countries often do not use the same sound frequency and cadence for the sounds we hear when dialing a phone number: ringback tone, busy tone, and so on. The International Telecommunication Union publishes a PDF document describing ringing tones used by national networks across the world.A local ringback tone is the signal tone that is heard by callers while the destination’s phone is ringing. Ringback tones can be customized. USA: +1 (561) 908-6171 • APAC: +66 (60) 002-4172 ... Reach out and a Global Call Forwarding expert will get back with you shortly. Contact Us.Find millions of popular wallpapers and ringtones on ZEDGE™ and personalize your phone to suit you. Start your search now and free your phoneIn the iTunes Store on iPhone, buy ringtones, text tones, and other alert tones for clock alarms and more.Globitel’s Ring Back Tone solution replaces standard ring back tones with any tone the subscriber chooses using a simple, multi-criteria customization process. Telecom operators have sharpened their focus on building …We would like to show you a description here but the site won’t allow us.Spacy Ringback. Ringback funny. Country boy. Grandma Ringback. Oceans. Head over heels. Leave A Message. Search free ringback tones Ringtones on Zedge and personalize your phone to suit you. Start your search now and free your phone.10-27-2015 06:04 AM. Alex, This is not a configuration issue. This is how ringback works over sip trunks.. When CUCM receives 180 ringing (without SDP) CUCM plays rigback locally. It instructs the ip phone to play ring back.. When CUCM receives 183 with SDP, it tells the phone to cut through audio and listen to whatever the far end is sending.PENGUMUMAN. PT XL Axiata Tbk (XL Axiata) menginformasikan kepada seluruh masyarakat pengguna layanan Ring Back Tone (RBT) bahwa penyediaan layanan RBT akan dihentikan secara bertahap sejak tanggal 1 Maret 2022, dan terhitung efektif sejak tanggal 31 Maret 2022 layanan RBT akan dihentikan sepenuhnya sehingga layanan ini …Sep 22, 2017 · tone ringback alert-no-pi! This command causes the gateway to generate ringback towards the calling party if an alert is received on the IP call leg with no PI present. It differs from the progress_ind setup command in that the outbound H.225 setup message does not contain a PI of 3 with the tone ringback command. To keep the same tone in your Ringback Tone profile, you will receive a text message to renew your tone before the expiry date. You will then be charged RM2 each on subsequent renewals. For instance, if you purchase two tones the first time for RM6, you will need to pay RM4 on subsequent renewals should you decide to keep both tones.0. That's a great idea. A call metaqueue. The tone detect, if it worked wouldn't be foolproof as sometimes the bridge won't get ring back. You might consider monitoring energy level as well to wait for a period of silence short energy then again silence (a hello sequence). Your arguments for the command - Detect Tone look correct for the …Activate Online. IVR : Dial 387. USSD : Dial #107# -> Press 92 -> Press 9 -> Press 1 -> Press1. To deactivate : SMS OFF Ring to 678. To Download a ringing tone of your choice. - Call 387. - Use the Star Copy service by pressing the ‘*’ & 9 keys on your mobile if you wish to copy the RingIN Tone you hear. Both subscribers and non-subscribers ...To set a ringback tone on your android phone: Go to the Main Menu of your phone. Tap Content or Fun Tab. Choose Ringback Tones/ Call Tones. From the Sprint … A ringback is an audio file that plays in place of ringing. It only persists while the phone is ringing but remains unanswered. Ringback tones of popular songs were common in the early 2000s with the rise of cell phones. Because any audio file played in place of ringing will be interrupted when the phone is answered, it’s not a good location ... Video Ring Back Tone(RBT) is accessible when making a voice or video call over VoLTE network. A short video is played on the caller’s mobile phone before the call is answered. Since 2016, Huawei, in partnership with China Mobile, has done a lot of innovative work for Video Ring Back Tone(RBT) and has also released relevant service …A Cisco IP phone user place a call to PBX user, and tone ringback is heard. 10-15-2008 01:24 PM. This could be attributed to the fact that the gateway was unable to determine the progress-indicator in the call setup and consequently could not cut-through the audio befor the call was answered. You could try a couple of commands on the …Ring Back Tone. Overall rating (15 ratings) NuclearTape. June 27th, 2019. Follow. This sound is part of the pack Telecommunication. This is an approximation of the modulated 440Hz tone you hear when waiting for someone to pick up the phone. Made using the Wasp synth in FL Studio.A ringback tone (RBT) – also called as ringing tone- is the audible indication heard by the calling party while waiting for their call to be answered by the called …Aug 4, 2023 · Place Test Calls. To confirm your extension is online, try placing test calls from the affected extension to. Your voicemail (Dial 555 ). Other extensions on your 8x8 system. If successful, try calling two or three phone numbers out of your 8x8 network again. No resolution? Fenomena Musik Ring Back Tone (RBT): Kapitalisme, Budaya Popular, dan Gaya Hidup ABSTRACT  RBT music is a phenomenon enjoyed by millions  of fans.  RBT, better known as ring back tones  have become part of the lifestyle  of subscribers.  Ring back tones have sound meanings  (as music) which are experienced by callers after … When you hear an engaged tone, press the number 5 on your telephone keypad to request a Ring Back. Wait until you hear a message confirming that your Ring Back request has been successful, before replacing the handset. The network will then monitor the busy number for up to 45 minutes until it becomes free. Ring Back Tone. Overall rating (15 ratings) NuclearTape. June 27th, 2019. Follow. This sound is part of the pack Telecommunication. This is an approximation of the modulated 440Hz tone you hear when waiting for someone to pick up the phone. Made using the Wasp synth in FL Studio.สัญญาณไม่วา่ ง ( Busy Tone )3. สัญญาณกริ่งเรยี ก ( Ringing Tone )4. สญั ญาณเรียกกลบั ( Ring Back Tone )5. สญั ญาณนูโทน ( Nu Tone ) สญั ญาณใหห้ มุนหรือไดอัลโทน ( Dial Tone )A local ringback tone is the signal tone that is heard by callers while the destination’s phone is ringing. Ringback tones can be customized. USA: +1 (561) 908-6171 • APAC: +66 (60) 002-4172 ... Reach out and a Global Call Forwarding expert will get back with you shortly. Contact Us.To keep the same tone in your Ringback Tone profile, you will receive a text message to renew your tone before the expiry date. You will then be charged RM2 each on subsequent renewals. For instance, if you purchase two tones the first time for RM6, you will need to pay RM4 on subsequent renewals should you decide to keep both tones.When setting up a new call the following shows up in our syslog and we hear a RingBack tone. As you can see there is only one 180 Ringing going back to Vodafone. /. Direct Routing microsoft teams audiocodes. Blogging about Microsoft Teams, Skype for Business, Lync Server 2013, Office365, Azure, Audiocodes, Information Security, …To set a ringback tone on your android phone: Go to the Main Menu of your phone. Tap Content or Fun Tab. Choose Ringback Tones/ Call Tones. From the Sprint …Subscribe Now:http://www.youtube.com/subscription_center?add_user=ehowtechWatch More:http://www.youtube.com/ehowtechPutting ringback tones on iPhone from iTu...Hearing a particularly different tone before the ring-back tone might have surprised you but there is a reason. We have been used to various types of information and messages as a ringback tone while making a call to an NTC network. During the pandemic, we heard Covid-19 awareness ring back tone for a long stretch. Call-progress tone. In telephony, call progress tones are audible tones that provide an indication of the status of a telephone call to the user. The tones are generated by a central office or a private branch exchange (PBX) to the calling party . Telecommunication equipment such as fax machines and modems are designed to recognize certain ... The worldwide market for Ringback Tones is estimated at $4 billion (source: MultiMedia Intelligence), so we recognized a significant opportunity to bring Ringback Tone technology to smartphones. But ringback tone technology hadn't evolved into the smartphone era, which is why we created LISTEN. Ncell. Htc Ringback Tones. Standardringtone. Ringback funny. Leave a message. Yahoo Ringback Tone. Country boy. Grandma Ringback. Oceans. Head over heels. Leave A Message. Search free ringback Ringtones on Zedge and personalize your phone to suit you. Start your search now and free your phone. Personal Ring Back Tone (PRBT) service enables the person who calls you to listen to popular tunes instead of the regular tones. Your friends, family and colleagues can enjoy the tune of your or their choice till you answer the call. You can choose popular songs from a wide list ranging from international chart busters to our local hits and ...Telkomsel, misalnya, merupakan salah satu provider yang meluncurkan Ring Back Tone di Indonesia dengan nama layanan Nada Sambung Pribadi (NSP) 1212. Fitur ini berisikan lagu-lagu yang sedang hits ataupun tembang-tembang lawas baik lokal maupun internasional, yang dapat dinikmati apabila pelanggan mengaktifkan RBTnya.For a more technical description, according to Wikipedia, the ringback tone is an audible indication that is heard on the telephone line by the caller while the phone they called is still in use. It is normally a repeated tone, designed to assure the calling party that the called party’s line is ringing, although the ring-back tone may be out ...Ring back tone service gives subscribers the flexibility to greet callers with their favorite tune, sound, video or phrase instead of the usual ringing tone or even a short video clip. Subscriber can choose ring tone or short video/movie for caller hear while waiting for the call to be connected, and subscribers have an instant way to express their own individuality. Scroll down, and click the pencil icon to the right of Custom Group Ringback. Custom Ringback; Select the Option drop-down on the right. A list will appear with all of the audio files that have been uploaded to the Location’s Announcement Repository. Setting Custom Ringback; Select the file you would like to use for the Custom Ringback Tone.
A ringback tone is the sound callers hear while the phone is ringing. By default, the telephone exchange plays the ringback tone corresponding to the …. How can i watch sound of freedom
Viettel Caller Ring Back Tone (vCRBT) General introduction • vCRBT is a service enabling users to select and change the ring-tone music of incoming or outgoing calls while waiting for a connection. • Deployed in the markets of Vietnam, Myanmar, Laos, …Personal Ring Back Tone (PRBT) service enables the person who calls you to listen to popular tunes instead of the regular tones. Your friends, family and colleagues can enjoy the tune of your or their choice till you answer the call. You can choose popular songs from a wide list ranging from international chart busters to our local hits and ...0. That's a great idea. A call metaqueue. The tone detect, if it worked wouldn't be foolproof as sometimes the bridge won't get ring back. You might consider monitoring energy level as well to wait for a period of silence short energy then again silence (a hello sequence). Your arguments for the command - Detect Tone look correct for the …T-Mobile USA subscribers across the country now can ditch the dull switchboard ring that their callers hear, in favor of a tune that represents their unique style, with the launch today of T-Mobile's ringback tone service, CallerTunes. T-Mobile is the first company to launch a ringback tone service nationwide.But after call are forwarded to extension there is no ring back tone. For example.. While greetings is played i dialed 2,then call 14753.Call is connected. But no ringback tone. So that i am not able to understand phone is ringing or not. CUCM and CUC is SIP integration. H323 with PSTN. Please help me to solve the issue.The processor is configured to perform video ring back tone playback according to the video media negotiation result. An eleventh embodiment of the present invention provides a calling user equipment, which may include: a transceiver, a processor, and the transceiver and the processor are connected by using a bus;Defne's RingBack Tone (RBT) solution enables subscribers to pre-set their favorite melody/tunes to play to their callers while waiting instead of the standard dialing tone. It enriches the communications with audio content for call set up and lets the caller listen to a personalized melody or a popular tune instead of the standard ring back tones.Telkomsel, misalnya, merupakan salah satu provider yang meluncurkan Ring Back Tone di Indonesia dengan nama layanan Nada Sambung Pribadi (NSP) 1212. Fitur ini berisikan lagu-lagu yang sedang hits ataupun tembang-tembang lawas baik lokal maupun internasional, yang dapat dinikmati apabila pelanggan mengaktifkan RBTnya.Robi GoonGoon is a Caller Ring Back Tone service that allows you to set a song, tone, music, funny messages or sounds as a Ring-Back Tone for your callers. ... The fall back charging in case of you are having low balance will be applicable as mentioned on the charging section above.Predicted to be a major revenue earner for both network operators and the music industry, personalised ringback tones allow phone users to replace the standard ringing sound heard before the call connects with music, comedy or movie clips. The survey published today by Alatto Technologies shows 37%. of all consumers aged 15-49 would …2nd Generation. $59.99 $99.99. Take up to 12 months to pay with no interest and no late fees. Prequalify now. $112.99 Save $4.99. $124.99 Save $9.99. $99.99 Save $80. $229.99 Save $80. See, hear, and speak to visitors from anywhere with Ring's best-selling Video …Wen some body rings me on my galaxy ace phone it just vibrates with no ring tone i`ve been in to my settings n set a ring tone but just won`t play wen Zain sim tone In galaxy s3 mobile, when going to settings, then sound and then device ring tone only the message "unfotunately settings has stopped" is shWe would like to show you a description here but the site won’t allow us.リングバックトーン ‐ 通信用語の基礎知識. 発呼者に回線交換作業が終了し、被呼者を呼び出し中であることを知らせるための音。 「呼び出し音」ともいう。 業界では略称 …This ability to personalize Ring Back Tones (RBT) has opened new and exciting doors for MTN subscribers, Content Owners, and Artistes. An enhanced and user friendly CallerTunez is being introduced by MTN. The new features will provide customers several ways to sample and subscribe to the service..