[SIPForum-discussion] # converted to %2 in SIP invite

[Henning Christiansen]

The „#“ sign must be escaped according to RFC 3986. Since 0x23 (decimal 35) 
is the ASCII code for ‘#’, it is coded as “%23” (not “%2”).



The address indicated in your example INVITE is therefore “2#2008”. If this 
is what the user dialed before, the coding is correct.



Von: discussion-bounces at sipforum.org 
[mailto:discussion-bounces at sipforum.org] Im Auftrag von Ramachandra moorthy
Gesendet: Donnerstag, 17. Juli 2014 14:30
An: discussion at sipforum.org
Betreff: [SIPForum-discussion] # converted to %2 in SIP invite



Dear All,



Kindly clarify my another query pls..



SIP subscriber dialing" #" sympol...but it is transfer like "%2" in SIP 
invite message..Kindly clarify whether this is right or wrong.



Below is the invite message



Sequence NO.:1

INVITE sip:2%232008 at 10.191.59.22:5060;user=phone SIP/2.0

Via: SIP/2.0/UDP 10.190.32.102:5060;branch=z9hG4bK7d9501b5.0

To: "2%232008"<sip:2%232008 at 10.190.32.102 
<mailto:sip%3A2%25232008 at 10.190.32.102> >

From: "4023325578"<sip:4023325578 at 10.190.32.102 
<mailto:sip%3A4023325578 at 10.190.32.102> >;tag=0abe2066-000011b200006f84

Call-ID: 0000052c000049e9-0047-0791 at 10.190.32.102

CSeq: 6673 INVITE

Contact: <sip:4023325578 at 10.190.32.102:5060>

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

P-Asserted-Identity: <sip:4023325578 at 10.190.32.102 
<mailto:sip%3A4023325578 at 10.190.32.102> >

Max-Forwards: 9

Record-Route: <sip:10.190.32.102:5060;lr>

Supported: 100rel

User-Agent: ZTE Softswitch/1.0.0

P-Charging-Vector: icid-value=Hyder-20140717125720-0001eb81

Content-Type: multipart/mixed;boundary=zte-unique-boundary-06

Content-Length: 515



--zte-unique-boundary-06

Content-Type: application/SDP



v=0

o=ZTE 4 27240 IN IP4 10.190.32.102

s=phone-call

c=IN IP4 10.190.32.22

t=0 0

m=audio 19658 RTP/AVP 8 18 97

a=rtpmap:97 telephone-event/8000

a=fmtp:97 0-11

a=ptime:20



--zte-unique-boundary-06

Content-Type: application/ISUP; base=nxv3; version=itu-t92+

Content-Disposition: signal; handling=optional





/*----------start isup message data----------

0000: 01 00 60 00 0a 03 02 07 05 01 90 c2 02 80 3d 01

0010: 1e 0a 07 03 13 04 32 23 55 87 c6 07 00 00 01 59

0020: 00 00 00 31 02 00 00 78 18 e2 82 c0 01 a1 12 02

0030: 01 00 02 01 01 30 0a 83 01 00 87 01 10 a9 02 84

0040: 00 78 21 81 80 c0 02 81 1c 1a 91 aa 06 80 01 00

0050: 82 01 00 8b 01 00 a1 0c 02 02 40 67 06 04 2b 0c

0060: 09 00 84 00 39 08 31 c0 c6 d0 3d c0 78 c4 00

IAM----Initial address message



Mandatory parameter:

Nature of connection indicators:

Satellite indicator:0 satellite circuits in the connection

Continuity check indicator:Continuity check not required

Echo control device indicator:Not Include



Forward call indicators:

International/national call indicator:national call

End-to-end method indicator: Not available

Interworking indicator: Interworking not encountered

End-to-end information indicator: Not available

ISDN user part indicator: ISDN user part used all the way

ISDN user part preference indicator: ISDN user part not required all the way

ISDN access indicator: Originating access non-ISDN

SCCP method indication: No indication

Collect Call:0



Calling party category:Ordinary subscriber

Transmission medium requirement:3.1 kHz audio



Called party number:

Nature of address: subscriber number

Internal network number indicator (INN):   *routing to internal network 
number not allowed

Numbering plan indicator: ISDN numbering plan

Address signal: 2#2008



Optional parameter:

Hop counter: 30

Calling party number:

Nature of address: National (significant) number

Calling party number incomplete indicator (NI):   *Complete

Numbering plan indicator: ISDN numbering plan

Address presentation restricted indicator: Presentation allowed

Screening indicators: Network provided

Address signal: 4023325578

Propagation delay counter:  0 ms

Parameter compatibility Information:

Parameter#1

Propagation delay counter:

Transit at intermediate exchange indicator:  Transit interpretation

Release call indicator:  Not release call

Send notification:  Not Send notification

Discard message indicator:  Not Discard message

Discard parameter indicator:do not discard parameter (pass on)

Pass on not possible indicator:discard parameter



*----------end isup message data----------*/



--zte-unique-boundary-06--






With Regards
M. Ramachandramoorthy
NGN-BSNL
+91- 9600070877

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