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REGISTER packet with UTF-8 characters

I'm receiving REGISTER packets with UTF-8 characters. I've been told this packet is corrupt but I'm trying to see if there's something I'm missing or Wireshark isn't interpreting this information correctly.

Has anyone seen this before ? Request-Line: REGISTER sip:�����~:5060 SIP/2.0 Method: REGISTER Request-URI: sip:�����~:5060 Request-URI Host Part: �����~ Request-URI Host Port: 5060 [Resent Packet: False]

This is a REGISTER packet coming from a softphone on a cellular phone. I've narrowed it down to the cellular network provider causing the issue. But obviously they are not helping much.... This will work with any cellular phone model and provider besides this particular provider. Swap out the SIM card and the register packets come in as expected.

REGISTER packet with UTF-8 characters

I'm receiving REGISTER packets with UTF-8 characters. I've been told this packet is corrupt but I'm trying to see if there's something I'm missing or Wireshark isn't interpreting this information correctly.

Has anyone seen this before ? ?

Request-Line: REGISTER sip:�����~:5060 SIP/2.0
    Method: REGISTER
    Request-URI: sip:�����~:5060
        Request-URI Host Part: �����~
        Request-URI Host Port: 5060
    [Resent Packet: False]

False]

This is a REGISTER packet coming from a softphone on a cellular phone. I've narrowed it down to the cellular network provider causing the issue. But obviously they are not helping much.... This will work with any cellular phone model and provider besides this particular provider. Swap out the SIM card and the register packets come in as expected.