[Spce-user] IPv4 address instead of IPv4 in reinvite

[Philipp Rekers]

Hi everyone!

Just for documentation: I disabled the G722 Codec (ID 9) in 
domains->preferences->nat ...->codecs_id_list as workaround.

Best regards
Philipp Rekers

Am 01.05.2020 um 19:54 schrieb Philipp Rekers:
> Hi everyone!
>
> At first I want to say thank you to the sipwise team for this great 
> software. We are a small ISP in northwest Germany and I'm evaluating 
> sipwise as VOIP server for our customers. So far so good...
>
> I'm experiencing following issue:
>
> - Sipwise mr8.3.1.1
> - IPv4 and IPv6
> - IPv4 only peer
> - IPv6 subscriber (multiple tested, for example Fritzbox or PhonerLite)
> - G722 incoming call (with reinvite from peer after answering the call)
> - Server IPv4 substituted in this mail with x.x.x.x
> - Server IPv6 substituted in this mail with 
> xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx
>
> body of the first invite is OK (IPv6 address in o and c is our server 
> IPv6)
>
> v=0
> o=- 1483998048 1 IN IP6 xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx
> s=xxx
> c=IN IP6 xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx
> t=0 0
> m=audio 31516 RTP/AVP 9 8 101
> a=rtpmap:9 G722/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=sendrecv
> a=silenceSupp:off - - - -
> a=rtcp:31517
> a=direction:both
>
> second invite after answering is with wrong body (IPv4 instead of IPv6):
>
> v=0
> o=- 0 2 IN IP4 x.x.x.x
> s=xxx
> c=IN IP4 x.x.x.x
> t=0 0
> m=audio 31516 RTP/AVP 9 101
> a=rtpmap:9 G722/8000
> a=rtpmap:101 telephone-event/8000
> a=fmtp:101 0-15
> a=sendrecv
> a=silenceSupp:off - - - -
> a=rtcp:31517
> a=ptime:20
> a=direction:both
>
> Sipwise sends here the IPv4 server address to the IPv6 subscriber. The 
> result is no audio for this call.
>
> Is it my fault???
>
> Thanks & best regards
> Philipp

-- 
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Dipl.-Phys. Philipp Rekers
Rekers Digitaltechnik GmbH & Co.KG
Siemensstr. 7
48480 Spelle
Telefon: +49-5977-9399-12
Telefax: +49-5977-9399-23
Mail:    P.Rekers at RDT.ONLINE
Ust.-Id.-Nr.: DE 117335315
Reg-Nr. §6 TKG: 14/278
==============================================================