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Constant Disconnects


Miguel Costa
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My users have been complaining of constant disconnects the last week or so. I'm also getting User disconnect emails to my admin account from the PBX. Here's the email content - any ideas what would cause this?

 

 

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

 

 

One side of the call between sip:442095058@sbc.voipdnsservers.com;user=phone and sip:9417804421@sbc.voipdnsservers.com;user=phone did not receive media for 2.5 s and the other side of the call disconnected the call. The address of the other side was 76.79.172.170 (User-Agent=Linksys/SPA941-5.1.8). You may use this email as hint for a potential problem. The SIP messages are attached.

 

Rx: udp:76.79.172.170:31537 (756 bytes)

INVITE sip:9417804421@pbxserver.com SIP/2.0

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-f6f91006

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 101 INVITE

Max-Forwards: 70

Contact: "149" <sip:149@192.168.5.121:5060>

Expires: 240

User-Agent: Linksys/SPA941-5.1.8

Content-Length: 215

Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER

Supported: replaces

Content-Type: application/sdp

 

v=0

o=- 10341343 10341343 IN IP4 192.168.5.121

s=-

c=IN IP4 192.168.5.121

t=0 0

m=audio 16468 RTP/AVP 18 101

a=rtpmap:18 G729a/8000

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=ptime:30

a=sendrecv

Tx: udp:76.79.172.170:31537 (328 bytes)

SIP/2.0 100 Trying

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-f6f91006;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 101 INVITE

Content-Length: 0

 

Tx: udp:76.79.172.170:31537 (542 bytes)

SIP/2.0 401 Authentication Required

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-f6f91006;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 101 INVITE

User-Agent: pbxnsip-PBX/4.0.1.3499

WWW-Authenticate: Digest realm="pbxserver.com",nonce="6de691eb06c88b47d08550d9cfdc5303",domain="sip:9417804421@pbxserver.com",algorithm=MD5

Content-Length: 0

 

Rx: udp:76.79.172.170:31537 (419 bytes)

ACK sip:9417804421@pbxserver.com SIP/2.0

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-f6f91006

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 101 ACK

Max-Forwards: 70

Contact: "149" <sip:149@192.168.5.121:5060>

User-Agent: Linksys/SPA941-5.1.8

Content-Length: 0

 

Tx: udp:76.79.172.170:31537 (327 bytes)

SIP/2.0 100 Trying

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Content-Length: 0

 

Tx: udp:76.79.172.170:31537 (859 bytes)

SIP/2.0 183 Session Progress

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tx: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tr: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tr: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tr: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tr: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tr: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tr: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tr: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tr: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tr: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tr: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

Tr: udp:76.79.172.170:31537 (845 bytes)

SIP/2.0 200 Ok

Via: SIP/2.0/UDP 192.168.5.121:5060;branch=z9hG4bK-c3f8ef2;rport=31537;received=76.79.172.170

From: "149" <sip:149@pbxserver.com>;tag=f2ec483d80c68b45o0

To: <sip:9417804421@pbxserver.com>;tag=5b3fa43d56

Call-ID: 40e1659d-d3e50d65@192.168.5.121

CSeq: 102 INVITE

Contact: <sip:149@74.208.77.157:5060>

Supported: 100rel, replaces, norefersub

Allow-Events: refer

Allow: INVITE, ACK, CANCEL, BYE, REFER, PRACK, INFO, UPDATE

Accept: application/sdp

User-Agent: pbxnsip-PBX/4.0.1.3499

Content-Type: application/sdp

Content-Length: 266

 

v=0

o=- 55038 55038 IN IP4 74.208.77.157

s=-

c=IN IP4 74.208.77.157

t=0 0

m=audio 55164 RTP/AVP 18 101

a=rtpmap:18 g729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-16

a=ptime:30

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=sendrecv

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