RTX 8630 User's Guide Page 35

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SME VoIP System Guide, Version 1.9
Proprietary and Confidential
Chapter: SME VoIP Administration Interface
35
the direction attribute is sendonly, recvonly or inactive dependant of the
context
RFC 2543: The ”old” way of signaling HOLD. The connection information
part of the SDP is set to 0.0.0.0, and the direction attribute is sendonly,
recvonly or inactive dependant of the context
DTMF
Signalling
RFC 2833
Conversion of decimal digits (and '*' and '#') into sounds that share similar
characteristics with voice to easily traverse networks designed for voice
SIP INFO: Carries application level data along SIP signalling path (e.g.:
Carries DTMF digits generated during SIP session OR sending of DTMF
tones via data packets in the same internet layer as the Voice Stream,
etc.).
RFC 2833: DTMF handling for gateways, end systems and RTP trunks (e.g.:
Sending DTMF tones via data packets in different internet layer as the
voice stream)
Both: Enables SIP INFO and RFC 2833 modes.
Codec Priority
G.711U
G.711A
G.726
Defines the codec priority that base stations uses for audio compression
and transmission.
Possible Option(s): G.711U,G.711A, G.726, G.729, G.722.
Note: Modifications of the codec list must be followed by a “reset codes”
and “Reboot chain” on the multipage in order to change and update
handsets.
Note:
With G.722 as first priority the number of simultaneous calls per base
station will be reduced from 10 (8) to 4 calls.
With G.722 in the list the codec negotiation algorithm is active causing the
handset (phone) setup time to be slightly slower than if G.722 is removed
from the list.
With G.729 add on DSP module for the base is required. Contact RTX sales
for purchase number 96101203.
RTP Packet
size
20ms
The packet size offered as preferred RTP packet size by 8630 when RTP
packet size negotiation.
Selections available: 20ms, 40ms, 60ms, 80ms
5.5 Network
In this section, we describe the different parameters available in the network configurations menu.
5.5.1 IP Settings
Screenshot
http://ArtTel.ru
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