I would also add the following : sip.conf has :
[general] disallow=all allow=g729 allow=alaw allow=gsm And again the same in the sip peer definition : disallow=all allow=g729 allow=alaw allow=gsm sip debug shows : [Mar 12 15:28:23] Found audio description format G729 for ID 18 [Mar 12 15:28:23] Found audio description format PCMA for ID 8 [Mar 12 15:28:23] Found audio description format GSM for ID 3 [Mar 12 15:28:23] Found audio description format telephone-event for ID 101 [Mar 12 15:28:23] Capabilities: us - 0xa (gsm|alaw), peer - audio=0x10e (gsm|alaw|g729)/video=0x0 (nothing), combined - 0xa (gsm|alaw) On an outgoing call from my Grandstream (with codecs G729, PCMA, GSM) to Asterisk. What happened here with the G729 codec ?? Using Asterisk 1.4.25.1
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