Monday, February 25, 2013

No ringback tone asterisk

no ringback tone asterisk

You have callers calling in to your Asterisk server using a SIP trunk and they don't hear ringback tone?

Here is what it worked for me.

In the sip.conf file, located in /etc/asterisk/sip.conf:

- In the [general] context check that the parameter prematuremedia=no is present.

- For the related peer (trunk) use the parameter progressinband=yes.

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