I should connect to a gateway and got following info:
Username = Password = NONE (not very secure!!!)
SIP
port 5060
IP address
For a trunk line dial 1234 and continue the number you want to reach at
PSTN.
codex g723 (I guess it should be g723.1)
vpbx*CLI>
-- Executing NoOp("SIP/615-127a",
"SIP/12340939775516@sip-xxxx") in
new stack
Apr 8 23:06:45 NOTICE[12235]: rtp.c:451 ast_rtp_read: RTP: Received
packet with bad UDP checksum
-- Timeout on SIP/615-127a
== CDR updated on SIP/615-127a
-- Executing Goto("SIP/615-127a", "#|1") in new stack
-- Goto (default,#,1)
-- Executing Playback("SIP/615-127a", "demo-thanks") in
new stack
-- Playing 'demo-thanks' (language 'en')
-- Executing Hangup("SIP/615-127a", "") in new stack
== Spawn extension (default, #, 2) exited non-zero on 'SIP/615-127a'
-- Executing Hangup("SIP/615-127a", "") in new stack
== Spawn extension (default, h, 1) exited non-zero on 'SIP/615-127a'
extensions.conf
exten => _1234.,1,NoOP(SIP/${EXTEN}@sip-xxxx);
exten => _1234.,1,Dial(SIP/${EXTEN}@sip-xxxx);
[sip-xxxx] ; test gw
type=peer
host=22.22.11.42
context=inhouse
nat=yes
canreinvite=no
insecure=very
dtmfmode=inband
disallow=all
allow=g723.1
qualify=yes
Q:
1. What triggers: RTP: Received packet with bad UDP checksum
2. How can I solve that?
bye
Ronald