I installed astersik 1…4.2 and I have a prolem with sip phone asterisk drop the call after 20 second and it say
WARNING: chan_sip.c:1897 retrans_pkt: Maximum retries exceeded on transmission 866b2807350f6a63Mzc1ZWZkOWEzNjhiMDk4MDM3YjVmZjg0MTYxZmM3ZjE. for seqno 2 (Critical Response)
[Apr 18 13:32:21] WARNING: chan_sip.c:1914 retrans_pkt: Hanging up call 866b2807350f6a63Mzc1ZWZkOWEzNjhiMDk4MDM3YjVmZjg0MTYxZmM3ZjE. - no reply to our critical packet.
and also this problem
WARNING: file.c:616 ast_readaudio_callback: Failed to write frame