Phoenix Audio Spider MT505 SIP Administraor Guide - Manual (Page 16)

available, the call attempt fails. If more than one codec is
common to both parties, the side that originate the call
cannot force which of the common codecs are used by the
remote party's client. If the side originating the call wishs to
force the use of a specific codec, he should configure the list
with only that specific codec.
Codec Type Name of the codec. The first codec has the highest priority.
The valid codec parameters are:
 G.722
 G.711 A-Law
 G.711 Mu-Law
 G.729
 G.723
Packetization Time The length of the digital voice segment that each packet
holds.
The default is 20 millisecond packets, excluding G.723 which
is 30 millisecond packets.
G.723 Bitrate
Low or high bit rate for G.723.
 Low
 High (default)
4.1.4.4 Voice Over IP -> Voice
Jitter Buffer Minimum Delay
The initial and minimal delay of the adaptive jitter buffer
mechanism, which compensates for network problems. The
value should be set according to the expected average jitter
in the network (in milliseconds).
The valid range is 0 to 300. The default value is 35.
Jitter Buffer Optimization Factor
The adaptation rate of the jitter buffer mechanism. Higher
values cause the jitter buffer to respond faster to increased
network jitter.
The valid range is 0 to 13. The default value is 7.
Enable Silence Compression
Enables silence compression for reducing network
bandwidth consumption.
 Disable (default)
 Enable
4.1.4.5 Voice Over IP -> Line Settings
User ID
Lines VoIP user’s ID for identification to initiate and accept
calls.
The user’s ID can be up to 30 characters.
Display Name
Arbitrary name to intuitively identify the line. This name is
displayed on the LCD display when the device is in Idle, and
is displayed to remote parties as your caller ID.
Authentication User Name
User name provided to you from the VoIP service provider.
This is used when sending a response to Unauthorized or
Proxy Authentication Requested (401/407).
The authentication name can be up to 35 characters.
Authentication Password
Password provided to you from the VoIP Service Provider.
This is used when sending a response to Unauthorized or
Proxy Authentication Requested (401/407).
The authentication password can be up to 35 characters.
4.1.4.6 Voice Over IP -> Services