SIP Telephony
Voice over IP (VoIP)
167
●
The “REGISTER” SIP message must be sent to the IP address of the
Forum 5004/5008/5012 using the 5060 destination port. For SIP
subscribers, this setting is frequently located under “SIP Server” or “SIP
Settings” with the terms “Domain”, “Server IP” and “Server Port”.
●
The “REGISTER” SIP message must contain a valid user name and the
appropriate password (the
User name
and
Password
fields in the
Confi-
gurator
under
User manager
:
User
). For SIP subscribers, this setting is
frequently located under “SIP User Settings” or “SIP Account” with the
terms “Authorization User” and “Password”.
●
The “REGISTER” SIP message also contains a SIP-URI in the spelling for e-
mail addresses, for example
"Displayname" <sip:[email protected]>
. The text portion of the
SIP-URI (“Display Name”) is not evaluated at log-on from the
Forum 5004/5008/5012. The series of characters before “@” is the
“User Name” or “SIP Username”. The internal call number of the user must
always be used here (the
Ph.No.
field in the
Configurator
under
User
manager
:
User
). The series of characters after “@” is the “Domain Name”
or the “SIP Domain”. The IP address of the Forum 5004/5008/5012
must always be used here.
●
A STUN server (Simple Traversal of UDP over NAT) or a SIP proxy is not
required because internal SIP subscribers on the LAN are directly
connected to the Forum 5004/5008/5012. Switch these functions off if
possible.
●
With a SIP terminal, you can enter an international phone number with a
leading plus. When you enter a call number in the E.123 format, the plus
char is substituted by the “00” number sequence and the immediate line
seizure via the standard route is activated for the call. If you prefer to dial in
this number format, you should activate the international call number
conversion (see
Features
SIP subscribers can establish connections to all other terminals and trunks.
The SIP protocol generally works with block dialling. This is why the selected
call number is only activated after an internal clock has expired or activated
immediately via the hash key (“#”) when dialling. This is why code number
procedures without the hash key and code number procedures with a
concluding hash key can be used. An overview of code number procedures
that can be used is located in the Configurator on the
System Info
:
Codes
Содержание Forum 500 Series
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