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  1. #1
    Registered User
    Join Date
    Sep 2008
    Posts
    3

    SIP bad request 400 from nokia SIP device when callerId includes scandinavian char.

    Hi,

    I hope this is the proper forum. I have a N95 nokia phone connected to an Asterisk SIP server.

    If Asterisk initiates a call to the N95 device using a Caller ID => "Pål Knutsen" <12345678> the call will *not* go through as the N95 SIP phone will answer:

    SIP/2.0 400 Bad Request

    The call is terminated (Phone never rings).

    If the "å" in "Pål" is replaced with "a" this works fine, and the phone will ring.

    Same happens when an N95 (or a Linksys SIP phone) calls (via Asterisk) to a Nokia N82 (or any other NOKIA SIP phone).

    Bad request 400 occurs whenever a scandinavian character like åäö or ø is present in the callers caller ID and the called party is using a Nokia SIP phone.

    Is this a bug in Nokia S60 SIP stack (SOFIA) or is this some kind of encoding issue, or am I missing something here?

    Thanks,
    Jo

  2. #2
    Registered User
    Join Date
    Jun 2003
    Posts
    22

    Re: SIP bad request 400 from nokia SIP device when callerId includes scandinavian cha

    Hello,

    Do you have a wireshark capture for that? (how the received INVITE by the N95 looks like)
    In the SIP URIs some characters must be escaped.

    btw, S60 SIP stack is not SOFIA
    cheers,
    paulius

  3. #3
    Registered User
    Join Date
    Apr 2010
    Posts
    2

    Re: SIP bad request 400 from nokia SIP device when callerId includes scandinavian cha

    Hello!
    I'am having same problem with Russian symbols in Caller ID.

    When SIP INVITE contains non ASCII symbols like this:
    From: "A\315AHAC\324EB A."<sip:1144@192.168.0.57>;tag=41520740-c0a80039-13c4-50022-258a-46ce8e23-258a
    Phone (E72) do not ring and answers with ERROR 400 BAD REQUEST.

    As I can see, symbols "\315" and "\324" are escaped but still cause problem with Nokia SIP.

    When I change user name on my PBX, call will be established.

    Can anybody suggest some workaround with this bug?

  4. #4
    Registered User
    Join Date
    Apr 2010
    Posts
    2

    Re: SIP bad request 400 from nokia SIP device when callerId includes scandinavian cha

    I can provide any additional information on this case if needed.

    Do anyone know how special symbols in names should be escaped according to RFC?

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