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▪
STUN: If the provider requires the use of a STUN
server, activate this option. The STUN server is
entered on the configuration page LAN
INTERFACE.
▪
TRANSPORT: Select whether the SIP telegrams
are to be transmitted via UDP or TCP. The protocol
is specified by the provider.
A-LAW/µ-LAW SIGNALLING ON INCOMING G.722
▪
CALLS: Activate this setting if audio is missing or
dropouts occur when forwarding calls or receiving
forwarded calls. This problem may occur if one of
the endpoints is not HD Voice (G.722)-capable,
but the PBX is not aware of this.
REGISTRATION TIMEOUT: By default, the device
▪
renews the SIP registration every 60 seconds to
check if the SIP server is still available. Increase
the interval if the SIP server rejects the interval as
too short.
Line Interface AoIP/SIP (3)
▪
PBX/EXCHANGE LINE CONFIGURATION: The
device can distinguish between internal and
external calls when operating on a PBX.
LENGTH OF EXTENSION: Number of digits of internal
▪
call numbers.
▪
OUTGOING LINE PREFIX: Digits inserted before the
number when dialling an external number.
▪
SKIP OUTGOING LINE PREFIX ON INCOMING CALLS:
Some PBXs signal the number of the caller
including the prefix digits, others do not. Set this
option so that the phone numbers of incoming calls
are displayed in the PC software without the prefix.
INTERNATIONAL PREFIX: Prefix digits for dialling
▪
international telephone numbers. (Default: "00",
do not set to "+"!)
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