[asterisk-users] SDP Issue

[--[ UxBoD ]--]

Hi, 

I am attempting to make a SIP call between an Asterisk 10 server and an Asterisk 1.8 system but when it goes to VM and the first prompt plays the line drops and I see on the V10 console: 

[Jan 23 15:47:04] WARNING[7859]: chan_sip.c:8944 process_sdp: Insufficient information for SDP (m= not found) 

Any ideas please as the codecs at each end look okay ? 

-- 
Thanks, Phil 

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