Cisco SPA 508G Administration Guide

Cisco SPA IP Phone Field Reference
SIP Tab
Cisco Small Business SPA 300 Series, SPA 500 Series, and WIP310 IP Phone Administration Guide 227
B
SDP Payload Types
The configured dynamic payloads are used for outbound calls only where the IP
phone presents the SDP offer. For inbound calls with a SDP offer, the IP phone
follows the caller dynamic payload type assignments.
The IP phone uses the configured codec names in its outbound SDP. The IP phone
ignores the codec names in incoming SDP for standard payload types (0 – 95). For
dynamic payload types, the IP phone identifies the codec by the configured
codec names. Comparison is case-insensitive.
Stats In BYE Determines whether the IP phone includes the P-RTP-
Stat header or response to a BYE message. The
header contains the RTP statistics of the current call.
Select yes or no from the drop-down menu. The format
of the P-RTP-Stat header is:
P-RTP-State: PS=<packets sent>,OS=<octets
sent>,PR=<packets received>,OR=<octets
received>,PL=<packets lost>,JI=<jitter in
ms>,LA=<delay in ms>,DU=<call duration in
s>,EN=<encoder>,DE=<decoder>.
Defaults to no.
Parameter Description
Parameter Description
AVT Dynamic Payload AVT dynamic payload type. Ranges from 96-127.
Defaults to 101.
INFOREQ Dynamic Payload INFOREQ dynamic payload type.
Defaults to blank.
G726r16 Dynamic Payload G.726-16 dynamic payload type. Ranges from 96-127.
Defaults to 98.
NOTE Not applicable to Cisco SPA 525G/WIP310.

Cisco SPA 508G Specifications

General

Speakerphone	Yes
Dialer location	Base
Mac compatibility	No
Ethernet LAN (RJ-45) ports	2
Display resolution	128 x 64 pixels
Display number of colors	Monochrome
Headphone connectivity	2.5 mm

Weight and Dimensions

Depth	212 mm
Width	214 mm
Height	44 mm
Weight	900 g