[SIPForum-discussion] 501 not implemented

[aleksey.f]

I think you should correct URI in From and P-Asserted-Identity headers
to excluding the symbol "+".

2011/12/12 Tshepo Kekana <tkekana0 at gmail.com>:
> Hi
>
> can someone assist, I am getting a 501 from the ISP when trying to place a
> calls from one specific customer.
>
> I checked the invite but i don't seem to find what is wrong with it.
>
>
> INVITE sip:27828863266 at 41.208.52.7:5060;user=phone SIP/2.0
>
> Via: SIP/2.0/UDP 66.8.114.20:5060;branch=z9hG4bKjgcral30bgo0hqsqs720.1
>
> From: "FP Hillbrow
> (K)"<sip:+27877402193 at 196.31.51.15;user=phone>;tag=1257524672-1323349529033-
>
> To: <sip:27828863266 at 196.31.51.4:5060;user=phone>
>
> Call-ID: BW150529033081211-2088874824 at 196.31.51.15
>
> CSeq: 249800933 INVITE
>
> Contact: <sip:66.8.114.20:5060;transport=udp>
>
> P-Asserted-Identity: "FP Hillbrow
> (K)"<sip:+27877402193 at 196.31.51.15;user=phone>
>
> Privacy: none
>
> Supported: 100rel
>
> Allow: ACK,BYE,CANCEL,INFO,INVITE,OPTIONS,PRACK,REFER,NOTIFY,UPDATE
>
> X-BroadWorks-DNC:
> network-address="sip:+27877402193 at 196.31.51.15;user=phone";user-id="0877402193 at 192.168.100.1"
>
> Accept:
> application/media_control+xml,application/sdp,application/x-broadworks-call-center+xml,multipart/mixed
>
> Max-Forwards: 13
>
> Content-Type: application/sdp
>
> Content-Length: 219
>
>
>
> regards,
>
> Tshepo
>
>
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