Hello everyone,
I’ve got a strange problem with my IPTAM PBX with underlying Asterisk. Incoming calls get rejected, but if you make an outbound call it works for a few minutes.
[general]
udpbindaddr = 0.0.0.0:25060
allowguest = yes
transport = udp
;disallow = all
allow = alaw
allow = ulaw
language = de
useragent = IPTAM PBX (Version 4.0.4/4185)
alwaysauthreject = yes
callcounter = yes
fromdomain = *externalIP*
notifycid = ignore-context
notifyprivacy = no
match_auth_username = yes
directmedia = no
t38pt_udptl = no
t1min = 500
timert1 = 500
nat = force_rport,comedia
tos_sip = 96
tos_audio = 184
allowguest = no
session-timers = originate
externip = "externalIP"
externtcpport = 25060
externtlsport = 25061
localnet=192.168.178.0/24
defaultexpiry = 3600
register => number:pass@host:5060/number
[sip-acc-4]
type=peer
username=number
secret=rfGAeWUs
host=host
port=5060
fromuser=number
fromdomain=host
context=incoming
insecure=very
directmedia=no
canreinvite=yes
allow=ulaw
dtmfmode=inband
allow = alaw
t38pt_udptl = no
setvar=UseFAXt38gw=0
[DTAG-IP_IN16_026](sip-acc-3)
host=IP of host for load balancing reasons
trustrpid=no
Here is a call trace of an incoming call:
<--- SIP read from UDP:ProviderIP8:5060 --->
Cirpack KeepAlive Packet
<------------->
<--- SIP read from UDP:Provider:5060 --->
INVITE sip:Number@ExternalIP:25060 SIP/2.0
Call-ID: x24dABux3:Fu:1XT
Contact: <sip:Provider:5060>
Content-Type: application/sdp
CSeq: 18755 INVITE
From: <sip:NumberIncoming@ims.telekom.de;user=phone>;tag=87.136.5.65+4+7c1d65d4+50c39e7f+BIABNGQ
Max-Forwards: 56
Record-Route: <sip:Provider:5060;transport=udp;lr>;session=18157
Supported: histinfo,replaces,sec-agree,timer,199,100rel
To: <sip:+Number@sipreg3.voice.ewetel.de;user=phone>
Via: SIP/2.0/UDP Provider:5060;branch=z9hG4bK-JUSR-396a32eb-483e88d7
Accept: application/sdp,application/3gpp-ims+xml
Expires: 180
Min-SE: 900
P-Early-Media: supported
Session-Expires: 1920
Session-ID: 1323182645785af6d6de2afbc46108f3;remote=00000000000000000000000000000000
User-Agent:
Allow: INVITE,BYE,ACK,OPTIONS,CANCEL,INFO,PRACK,NOTIFY,REFER,UPDATE,MESSAGE
History-Info: <sip:+Number@ims.telekom.de;user=phone>;index=1
P-Asserted-Identity: <sip:NumberIncoming6;cpc=mobile-hplmn@Provider:5060;user=phone>, <tel:NumberIncoming6;cpc=mobile-hplmn>
Content-Length: 354
v=0
o=anonymous 110337760607868 110337760607868 IN IP4 Provider
s=-
c=IN IP4 213.168.198.42
t=0 0
m=audio 31498 RTP/AVP 9 8 0 111 110
a=rtpmap:9 G722/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=rtpmap:111 telephone-event/16000
a=fmtp:111 0-15
a=rtpmap:110 telephone-event/8000
a=fmtp:110 0-15
a=ptime:20
a=maxptime:40
a=sendrecv
<------------->
--- (22 headers 16 lines) ---
Sending to Provider:5060 (NAT)
Sending to Provider:5060 (NAT)
Using INVITE request as basis request - x24dABux3:Fu:1XT
Found peer 'DTAG-IP_IN16_026' for 'NumberIncoming' from Provider:5060
<--- Reliably Transmitting (NAT) to Provider:5060 --->
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP Provider:5060;branch=z9hG4bK-JUSR-396a32eb-483e88d7;received=Provider;rport=5060
From: <sip:NumberIncoming@ims.telekom.de;user=phone>;tag=87.136.5.65+4+7c1d65d4+50c39e7f+BIABNGQ
To: <sip:+Number@sipreg3.voice.ewetel.de;user=phone>;tag=as2f3c4916
Call-ID: x24dABux3:Fu:1XT
CSeq: 18755 INVITE
Server: IPTAM PBX (Version 4.0.4/4185)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="27167c85"
Content-Length: 0
<------------>
Scheduling destruction of SIP dialog 'x24dABux3:Fu:1XT' in 32000 ms (Method: INVITE)
<--- SIP read from UDP:Provider:5060 --->
ACK sip:Number@ExternalIP:25060 SIP/2.0
Call-ID: x24dABux3:Fu:1XT
CSeq: 18755 ACK
From: <sip:NumberIncoming@ims.telekom.de;user=phone>;tag=87.136.5.65+4+7c1d65d4+50c39e7f+BIABNGQ
Max-Forwards: 56
To: <sip:+Number@sipreg3.voice.ewetel.de;user=phone>;tag=as2f3c4916
Via: SIP/2.0/UDP Provider:5060;branch=z9hG4bK-JUSR-396a32eb-483e88d7
Content-Length: 0
<------------->
--- (8 headers 0 lines) ---
Thx for your help