Teletronics Enterprise SIP Server Instrukcja Użytkownika Pobierz pdf (Strona 10)

TELETRONICS INTERNA

TIONAL, INC.

9 Enterprise SIP Server Tutorial – Dial Plan

s-tut-dp1.51-041228

2.3. Main SIP Header Fields

These are the most commonly used header fields and it is a good idea to know them when writing

Dial Plan. For other header fields, please refer to the RFC3261.

Header Field

Definition

The SIP-URI of the callee or routing sip server

FROM

SIP-URI of the caller

Max-Forwards

Maximum number of hops that a SIP request can pass through till

its destination

User-Agent

Caller’s user agents name

2.4. Main Methods of SIP Request

Method

Definition

Registers the contact information of the user agent

(e.g. current position)

INVITE

Invitation to participate in the session. Requests an opening session

ACK

Acknowledgement to a response that an INVITE request was

received

CANCEL

Cancels pending transactions in the session

INFO

Gives session information

OPTIONS

Queries the server’s abilities

2.5. Regular Expressions

Following Expressions can be used in Matching Patterns.

Symbols

Meaning

Match the beginning of the line

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 37 38

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Teletronics Enterprise SIP Server Instrukcja Użytkownika Strona 10