VDSL/ADSL2+ Dual Band AC1600 Gigabit Gateway with VoIP – NF18ACV
UG01040 v 1.04 December 2018
SIP Settings
The Phone – SIP Settings page shows detailed information about your VoIP phone configuration.
Select the correct Bound Interface Name from your Internet WAN Service Connection or
you can select or Any_WAN
Select: Auto Switch, Negotiate or V.152
Select: G711_A, G711_MU or T.38
Enable T38 Redundancy
Support
Select this function if you wish to send or receive faxes via VoIP and have a fax machine capable of using
the T38 fax over VoIP protocol.
Enable VAD redundancy
support
Enables the Voice Activated Detection (VAD) function of the modem. When enabled, no data is
transmitted during periods of silence or low volume, reducing the data usage.
Select: None, Silencsupp or Annexa|Annb|VAD
RTP Control Protocol (RTCP) provides out-of-band statistics and packet control
information for an RTP session.
Enable to improve voice quality and network capacity by preventing echo from being
created or removing it after it is already present.
Select convert phone number to ASCII format.
Set custom Timeout and Expiration times or accept the defaults.