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Posted

hi support,

 

may i know pbxnsip support dtmf sip info relay? if yes, how to change it on trunk? we experience dtmf issue on quintum DX2030 with dtmf sip info relay. when call connect to IVR system, dtmf does not recognize by ivr system. if change to h245 outband then no issue but due to environment setup we cant use h245 outband. thx

 

regards,

kelvin

Posted
may i know pbxnsip support dtmf sip info relay? if yes, how to change it on trunk? we experience dtmf issue on quintum DX2030 with dtmf sip info relay. when call connect to IVR system, dtmf does not recognize by ivr system. if change to h245 outband then no issue but due to environment setup we cant use h245 outband. thx

 

The support is only for receiving DTMF INFO, no transcoding between signalling layer and media layer. This is just because we don't like to make our live miserable. Think about someone sending RFC2833 (=RFC4833) DTMF tones and then while the tone is playing back someone sends a INFO as well.

 

Plus the support for RFC2833 tones is pretty good these days.

Posted
The support is only for receiving DTMF INFO, no transcoding between signalling layer and media layer. This is just because we don't like to make our live miserable. Think about someone sending RFC2833 (=RFC4833) DTMF tones and then while the tone is playing back someone sends a INFO as well.

 

Plus the support for RFC2833 tones is pretty good these days.

 

ok. thx

 

regards,

kelvin

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