ringtone/generator/
The possibility to change your Ringtone depends on the PBX - Phone system you are using. And that is the same with a custom ringtone. Please be aware, that the ringtone have to be in a special lowband format and have to saved on a Webserver, because of Snom Phones just use a Link to custom Ringtone. Please see Details below.
To set the ringtone for a specific identity, change the following settings on the phone´s web interface: Note |
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Note: If your custom melody is not played as expected, it might mean that your provider is sending another melody URL in the Alert-Info header of the SIP INVITE message. See section Which melody has priority below. |
The contacts in the address book can be set with a special group, for example you can have contact Mom in category Family: 
Then you can configure the custom melody for all contacts of type Family under Preferences → Audio → Directory Ringtones: 
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Note: If your custom melody is not played as expected, it might mean that your provider is sending another melody URL in the Alert-Info header of the SIP INVITE message. See section Which melody has priority below. |
The PBX can send the SIP Alert-Info header inside the SIP INVITE method sent to phones in order to choose a certain ringtone reachable to the phone over http (custom melodies). Here is an example of the SIP alert-info header in a call that would ring using custom melody http://downloads.snom.com/documentation/melody2.wav : Code Block |
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Alert-Info: <http://downloads.snom.com/documentation/melody2.wav> |
If the user has set a melody and the server is sending the Alert-Info header as well, the Alert-Info header has higher priority. This can be changed by setting the following setting to 'off': Advanced -> Audio -> Alert Info playback The wav file should comply to the following requirements: - Encoder: PCM, 8 KHz, 16bit mono.
- The time for loading the file should not be longer then 3 seconds.
- Size < 250 KByte depending on the available free memory of the phone. On snom 3xx device might be < 150 KByte.
- Online you can find software to modify your audio file to be compliant with the requirements above
- The online Ringtone Generator tool can be used to convert existing audio files into snom-compatible ringtones:http://snom.provoip.co.uk/ringtone/generator/
Alternatively on Linux/Unix you can use the tool ffmpeg to convert a sound file
ffmpeg -i <infile.(wav/mp3)> -acodec pcm_alaw -ac 1 -ar 8000 <outfile>.alaw.wav
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Note: if the resulting melody sounds weird you can try without the extra encoding by removing parameter "-acodec pcm_alaw": ffmpeg -i <infile.(wav/mp3)> -ac 1 -ar 8000 <outfile>.alaw.wav |
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