NEC Univerge sv8500 Manual page 1263

2. Specifications
ITEM
CODEC
FAX
PAD
RTP Jitter and Buffer
Quality of Service (QoS)
VLAN
Echo Canceller
PRI Interface
DTMF
IP Address Assignment
Holding Tone
MG(PRI) Specifications
SPECIFICATION
G.711
G.729a
G.723.1
Data transmission as voice data
FAX Relay (T.30)
PAD setting
Smooth PAD
Static
Dynamic
ToS, IP Precedence
DiffServ
IEEE 802.1Q (Tagging VLAN),
VLAN bit, Priority bit
G.168
1.5M
DTMF is applied in the following:
- Proprietary Protocol mode
- Transmission as voice data
- RFC2833 (SIP mode only)
DHCP is supported
Internal hold-tone
External hold-tone
VOL.2-1010
MG(PRI) (1.5M) [SCA-24PRIA/MG-24PRIA]
NOTE
64k [bps]: PCM μ-law/A-law (Default Setting)
RTP Payload cycle: 30~40 msec (in 10 msec steps)
8k [bps]: CS-ACELP (Reduce complexity)
RTP Payload cycle: 10~40 msec (in 10 msec steps)
5.3k [bps]: MP-MLQ/ACELP
RTP Payload cycle: 30 or 60 msec
6.3k [bps]: MP-MLQ/ACELP
RTP Payload cycle: 30 or 60 msec
G.711/G.726 (ADPCM)
FRF.11
-16dB ~ 20dB (one dB step)
PAD is specified per route data by ARTD.
In the case of tandem connection, the data is speci-
fied by APDIL.
Selectable (OFF, Mode1-Mode5)
10~300 msec (in 10 msec steps)
10~300 msec
Supported
Supported
Tail Length is 64 msec
1.544 Mbps, B8ZS (23B+D)
Specifications
Layer 1: ITU-T I.431
Layer 2: ITU-T Q.921
Layer 3: ITU-T Q.931
Selectable by configuration command
(1: Minuet, 2: For Elise)
Input audio source from MUSIC connector