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Table 102 VoIP > SIP > SIP Service Provider > Add new provider/Edit (continued)
LABEL
DESCRIPTION
FAX Option
This field controls how the VMG handles fax messages.
G711 Fax
Select this if the VMG should use G.711 to send fax messages. You have to also select which
Passthrough
operating codec (G.711Mulaw or G.711Alaw) to use for encoding/decoding FAX data. The
peer devices must use the same settings.
T38 Fax Relay
Select this if the VMG should send fax messages as UDP or TCP/IP packets through IP
networks. This provides better quality, but it may have inter-operability problems. The peer
devices must also use T.38.
QoS Tag
SIP DSCP Mark
Enter the DSCP (DiffServ Code Point) number for SIP message transmissions. The VMG
Setting
creates Class of Service (CoS) priority tags with this number to SIP traffic that it transmits.
RTP DSCP Mark
Enter the DSCP (DiffServ Code Point) number for RTP voice transmissions. The VMG creates
Setting
Class of Service (CoS) priority tags with this number to RTP traffic that it transmits.
Timer Setting
Expiration
Enter the number of seconds your SIP account is registered with the SIP register server
Duration
before it is deleted. The VMG automatically tries to re-register your SIP account when one-
half of this time has passed. (The SIP register server might have a different expiration.)
Register Re-
Enter the number of seconds the VMG waits before it tries again to register the SIP account,
send timer
if the first try failed or if there is no response.
Session Expires
Enter the number of seconds the VMG lets a SIP session remain idle (without traffic) before
it automatically disconnects the session.
Min-SE
Enter the minimum number of seconds the VMG lets a SIP session remain idle (without
traffic) before it automatically disconnects the session. When two SIP devices start a SIP
session, they must agree on an expiration time for idle sessions. This field is the shortest
expiration time that the VMG accepts.
Phone Key
Enter the key combinations for certain functions of the SIP phone.
Config
Call Return
Enter the key combinations that you can enter to place a call to the last number that called
you.
Caller ID
Enter the key combinations that you can enter to activate caller ID for the next call.
Display Call
Caller ID
Enter the key combinations that you can enter to deactivate caller ID for the next call.
Hidden Call
One Shot Caller
Enter the key combinations that you can enter to activate caller ID for the next call only.
ID Display Call
One Shot Caller
Enter the key combinations that you can enter to deactivate caller ID for the next call only.
ID Hidden Call
Call Waiting
Enter the key combinations that you can enter to turn on the call waiting function.
Enable
Call Waiting
Enter the key combinations that you can enter to turn off the call waiting function.
Disable
IVR
Enter the key combinations that you can enter to record custom caller ringing tones (the
sound a caller hears before you pick up the phone) and on hold tones (the sound someone
hears when you put their call on hold). IVR stands for Interactive Voice Response.
Internal Call
Enter the key combinations that you can enter to call the phone(s) connected to the VMG.
Call Transfer
Enter the key combinations that you can enter to transfer a call to another phone.
Unconditional
Enter the key combinations that you can enter to forward all incoming calls to the phone
Call Forward
number you specified in the SIP > SIP Account screen.
Enable
Chapter 22 Voice
VMG5313-BXB Series User's Guide
228
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