DBL Technology HTM series Instrukcja Użytkownika Pobierz pdf (Strona 63)

得伯乐科技有限公司

DBL Technology Limited GoIP User Manual

Web: www.dbltek.com

Tel: +86 755 8829 0211

Contact: <sip: 8613800000000@192.168.2.237:5060>

Max-Forwards: 30

User-Agent: DBL

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REFER, REGISTER,

MESSAGE, INFO, SUBSCRIBE

Content-Type: application/sdp

Content-Length: 226

When the user enters an SMS dial prefix, such as 999, the above call request signaling is

changed to:

Sending Message to 192.168.2.1:5060:

INVITE sip:9998675588228822@192.168.2.1:5060;transport=udp SIP/2.0

Via: SIP/2.0/UDP 192.168.2.237:5060;branch=z9hG4bK363969813

From: <sip:8613800000000@192.168.2.1:5060>;user=phone;tag=65248630

To: <sip:9998675588228822@192.168.2.1>

CSeq: 2 INVITE

Contact: <sip: 8613800000000@192.168.2.237:5060>

Max-Forwards: 30

User-Agent: DBL

Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, NOTIFY, REFER, REGISTER,

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DBL Technology HTM series Instrukcja Użytkownika Strona 63