IPitomy IP550 User Manual Ver.1 - Manual (Page 39)

Advanced Administration
IPitomy Confidential 34
BLF Subscription Period The period that re-send the SUBSCRIBE for BLF monitor-
ing
RTP Settings
Base RTP Port Specify the base port number for voice packets
DTMF Method The method to carry the DTMF information during a con-
versation, can be RTP, RFC2833 or SIP INFO.
SIP Port Setting
SIP Signaling Port Specify the SIP signaling port number for SIP packets ex-
changes, default is 5060
Preferred Codec in Order
Preferred Codec Total of four voice codecs, G.711u, G.711A, G.722 and
G.729 can be selected in order. 1 denotes the most prefer-
able, and 4 the least.
Silence Suppression Enable/Disable the silence suppression. Silence packets
(small packets) will be sent when enabled and user is not
talking.