[Spce-user] MTU size

Mykola Zaika mzaika at voiptime.net
Fri Mar 20 06:47:33 EDT 2015


Hi,
When Invite packet with option "Registry" goes via default socket MTU size
is less than 1500. When I use extra outbound socket MTU size more than
1500.  How can I decrease the packet size?

Invite packet with registry:

U 2015/03/18 22:32:22.462415 93.178.X.X:5060 -> 62.64.10.10:5060
INVITE sip:0662823314 at 662.64.10.10 SIP/2.0'
Record-Route:
<sip:93.178.X.X;r2=on;lr=on;ftag=5C4E345D-5509E0D2000E21F4-5FFFF700;ngcplb=yes;socket=udp:93.178.X.X:5060>'

Record-Route:
<sip:127.0.0.1;r2=on;lr=on;ftag=5C4E345D-5509E0D2000E21F4-5FFFF700;ngcplb=yes;socket=udp:93.178.X.X:5060>'

Via: SIP/2.0/UDP
93.178.X.X;branch=z9hG4bKf16b.512ffd27402052c5520c9b37e5f04bb0.0'
Via: SIP/2.0/UDP 127.0.0.1:5080;branch=z9hG4bKOzI9haol;rport=5080'
From: <sip:55277777 at 62.64.10.10>;tag=5C4E345D-5509E0D2000E21F4-5FFFF700'
To: <sip:0662823314 at 62.64.10.10>'
CSeq: 11 INVITE'
Call-ID: 07cce9073c288d2420a72bf339e3fd5b at 10.200.10.15_b2b-1'
Max-Forwards: 69'
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, SUBSCRIBE, NOTIFY, PUBLISH'
Supported: replaces'
Authorization: Digest username="55277777", realm="44200",
nonce="5509e0d4b9233675df7eda35017454ca3fc60858", uri="
sip:0662823314 at 62.64.10.10", opaque="665353c47b01b32951e2e564ba319d30",
qop=auth, cnonce="06cf81cb", nc=00000001,
response="8fe900a4f49aa3ba3af1a3e4731ce89c", algorithm=MD5'
Content-Type: application/sdp'
Content-Length: 322'
Contact: <sip:ngcp-lb at 93.178.X.X:5060;ngcpct=7369703a3132372e302e302e313a35303830>'

'
v=0'
o=root 895260260 895260261 IN IP4 93.178.X.X'
s=Asterisk PBX 1.8.23.0'
c=IN IP4 93.178.X.X'
t=0 0'
m=audio 30136 RTP/AVP 0 8 101'
a=rtpmap:0 PCMU/8000'
a=rtpmap:8 PCMA/8000'
a=rtpmap:101 telephone-event/8000'
a=fmtp:101 0-16'
a=sendrecv'
a=silenceSupp:off - - - -'
a=ptime:20'
a=rtcp:

-- 
З повагою,
Микола Заїка
Компанія VoIPTime,
Тел: +380 32 2328022
mzaika at voiptime.net
www.voiptime.net

2015-03-16 18:40 GMT+02:00 Mykola Zaika <mzaika at voiptime.net>:

> Hi,
> I solved this problem. I excluded the field PAI from INVITE packets.
>
> Thanks.
>
> --
> З повагою,
> Микола Заїка
> Компанія VoIPTime,
> Тел: +380 32 2328022
> mzaika at voiptime.net
> www.voiptime.net
>
> 2015-03-16 18:13 GMT+02:00 Daniel Grotti <dgrotti at sipwise.com>:
>
>> Hi,
>> you can filter codecs in /etc/ngcp-config/config.yml.
>> How the INVITE looks like ?
>>
>> Daniel
>>
>>
>> --
>> Meet us @ ANGACOM: Hall 10.1/booth N10
>> Exhibition and Congress for Broadband, Cable & Satellite: 9-11 June
>> 2015, Cologne
>> --
>>
>> Daniel Grotti
>> VoIP Engineer
>>
>> Phone: +43(0)1 301 2032
>> Email: dgrotti at sipwise.com
>> Website: www.sipwise.com
>>
>> Particulars according Austrian Companies Code paragraph 14
>> "Sipwise GmbH“ - Europaring F15 – 2345 Brunn am Gebirge
>> FN:305595f, Commercial Court Vienna, ATU64002206
>>
>> On 03/14/2015 01:05 PM, Mykola Zaika wrote:
>> > Hello,
>> > I have a problem with MTU size.  When I use peer with option "registry"
>> > the packet Invite is more than 1500. Whithout registry it is about 1300.
>> > How can I decrease packet size?
>> > Thanks.
>> >
>> >
>> >
>> > _______________________________________________
>> > Spce-user mailing list
>> > Spce-user at lists.sipwise.com
>> > https://lists.sipwise.com/listinfo/spce-user
>> >
>> _______________________________________________
>> Spce-user mailing list
>> Spce-user at lists.sipwise.com
>> https://lists.sipwise.com/listinfo/spce-user
>>
>
>
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