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AS 5400 does not forward SIP/2.0 480 to sip provider

Hello,

My Cisco AS5400 is connected to a sip provider to make and receive calls. The AS5400 is connected to a huawei core backbone.


Huawei Core -- Cisco AS5400 --(Internet)-- SIP Provider

Everything is working fine (inbound and outbound calls) except when an inbound call cannot connected due to a busy or not answering phone.

Huawei Core -- Cisco AS5400 --(Internet)-- SIP Provider -- PSTN

GSM not answering <-------(Dial Peer 30) -----CALL-----(Dial Peer 20) -------SIP Provider -- PSTN

When it is the case, I received from the core huawei :

Received:

SIP/2.0 480 Temporarily Unavailable

Via: SIP/2.0/UDP 10.30.1.46:5060;branch=z9hG4bK577F59

Call-ID: 203BF3AB-258011D7-917E83E8-9B382CF3@10.30.1.46

From: <sip:6267381313@10.30.1.46>;tag=FC74AF48-23A3

To: <sip:1398562077827637@10.30.1.10>;tag=b1cade24

CSeq: 101 INVITE

Reason: Q.850;cause=16;text="Normal call clearing"

Content-Length: 0

But this is not forwarded to the sip provider as expected,

Actually, the cisco gateway sent a new invite to the sip provider. Like it is matching the inbound dialpeer as the new outbound dialpeer to place calls.

Huawei Core -- Cisco AS5400 --(Internet)-- SIP Provider -- PSTN

GSM not answering <-------(Dial Peer 30) -----SIP GW-----(Dial Peer 20) -------SIP Provider -- PSTN

                               |

                               |

                                ------------- (480)--------->  SIP GW---- (INVITE) ---------> SIP Provider

Sent:

INVITE sip:52454236267381313@213.218.126.214:5060 SIP/2.0

Via: SIP/2.0/UDP 201.124.181.156:5060;branch=z9hG4bK57A1F13

Remote-Party-ID: <sip:6267381313@201.124.181.156>;party=calling;screen=no;privacy=off

From: <sip:6267381313@201.124.181.156>;tag=FC7506FC-15F0

To: <sip:52454238562077827637@213.218.126.214>

Date: Sun, 12 Jan 2003 16:17:28 GMT

Call-ID: 2D9D3FB5-258011D7-918083E8-9B382CF3@201.124.181.156

Supported: 100rel,timer,resource-priority,replaces,sdp-anat

Min-SE:  1800

Cisco-Guid: 540719963-629150167-2440594408-2604150003

User-Agent: Cisco-SIPGateway/IOS-12.x

Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER

CSeq: 101 INVITE

Timestamp: 1042388248

Contact: <sip:6267381313@201.124.181.156:5060>

Expires: 180

Allow-Events: telephone-event

Max-Forwards: 69

Session-Expires:  1800;refresher=uac

Content-Type: application/sdp

Content-Disposition: session;handling=required

Content-Length: 289

v=0

o=CiscoSystemsSIP-GW-UserAgent 2586 5727 IN IP4 201.124.181.156

s=SIP Call

c=IN IP4 201.124.181.156 --More--  t=0 0

m=audio 17188 RTP/AVP 18 101 19

c=IN IP4 201.124.181.156

a=rtpmap:18 G729/8000

a=fmtp:18 annexb=yes

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=rtpmap:19 CN/8000

voice translation-rule 1

rule 1 // /524/

!

voice translation-rule 2

rule 2 /5423/ /139/

!

!

voice translation-profile 1

translate called 1

!

voice translation-profile 2

translate called 2

!

dial-peer voice 30 voip

description INSIDE

translation-profile outgoing 2

destination-pattern 5423.+

voice-class codec 3

session protocol sipv2

session target ipv4:10.30.1.10

dtmf-relay rtp-nte

!

dial-peer voice 20 voip

description OUTSIDE

translation-profile outgoing 1

destination-pattern .+

voice-class codec 3

session protocol sipv2

session target ipv4:213.218.126.214

dtmf-relay rtp-nte

Why this behaviour ? We need the sip gateway to just forward the 480 Message to the SIP provider.

1 REPLY
Bronze

Re: AS 5400 does not forward SIP/2.0 480 to sip provider

Hello,

You don't show your incoming dial-peer in your xonfiguration, so i can't see the complete picture.

You can stop multiple dial-peers being matched using the huntstop command on the peer to your huawai.

Adam

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