Asterisk hangs up after a few seconds

Asterisk Asterisk Support
1

Good morning, afternoon, evening …

I am installing an asterisk at home and testing with an IP phone. In particular I have version 1.6.2.13 and the IP phone is a Linksys SPA922.

I managed to install and works perfectly except that the call drop after a few seconds. After much research I discovered that there is a parameter (rtcpinterval) in rtp.conf , well changing this parameter the call lasts exactly the number of seconds indicates that line.

I show my configuration if it can be helpful:

2004 Softphone
301 IP Phone

SIP.CONF
[general]
context = general
bindport = 5060
bindaddr = 0.0.0.0
srvlookup = yes
videosupport=yes

[authentication]

[2004]
type=friend
context=default
username=2004
secret=2004
host = dynamic
mailbox=2004
dtmfmode=rfc2833
disallow=all
allow=ulaw
allow=alaw

[301]
type=friend
context=default
username=301
secret=301
host = dynamic
mailbox=301
dtmfmode=rfc2833
disallow=all
allow=ulaw
allow=alaw

EXTENSIONS.CONF
[general]
static=yes
writeprotect=yes
autofallthrough=yes
clearglobalvars=no
priorityjumping=yes
videosupport=yes

[default]
senddtmf=yes

exten => h,1,Hangup

exten => 2004,1,Dial(SIP/2004,30,Tt)
exten => 2004,n,Hangup

exten => 301,1,Dial(SIP/301,30,Tt)
exten => 301,n,Hangup

exten => 9000,1,NoOP(9000)
exten => 9000,n,Dial(SIP/2004,30,Tt)
exten => 9000,n,Hangup

I thank you in advance for any help or suggestions you can give me.

2

RTCP is Real Time Control Protocol, and it is used to send connection quality statistics.

Which side is clearing. Maybe the phone is unable to cope with RTCP, rather than just ignoring it, and is dropping the call.

RTCP isn’t normally critical, although it may be used to keep a connection alive during silence suppression or holds.

3

Thanks for your response. The phone accepts RTCP if the problem is Asterisk’s response, when the phone sends a SR, Asterisk does not return a RR.

It’s really confusing to find a solution. Thanks for any help you can give me.

4

Activate Asterisk console with high verbose mode and let’s see the output.

Also, please send capture of network traffic.