Capacity
58
SmartNode 4740 Series (48–128 Ports) User Manual
B
• Specifications
Note
Refer to the
for the most up-to-date specifications*.
Capacity
Up to 128 simultaneous low bandwidth voice or HD calls with SRTP** or T.38 fax calls
SIP Signaling
•
SIPv2 over UDP/TCP or TLS**
•
SIP call transfer, redirect
•
Overlap dialing, PRACK, P-Header support
•
Multi instance, simultaneous support of multiple registrars and direct IP dialing)
•
DTMF in-band & out-of-band
•
B2BUA—eSBC capable**
Voice Processing
•
G.722
•
G.711m/A-law
•
G.723.1 (6.4 kbps)
•
G.729, 729a, 729ab (8 kbps)
•
G.726 (16, 24, 32, 40 Kbps)
•
AMR-NB (4.75, 5.15, 5.9, 6.7, 7.4, 7.95, 10.2, 12.2 kbps)
•
Fax relay T.38, bypass G.711
•
iLBC at 13.33 kbps (SIP–SIP only)
•
SILK (SIP–SIP only)
•
G.168-2004 echo cancellation (128 ms)
•
Up to 128 simultaneous low-bandwidth voice or T.38 fax calls
•
Up to 128 HD calls with SRTP
•
Silence suppression and comfort noise
•
Adaptive and configurable dejitter buffer
•
Configurable RTP packet length
_____________________
*
Specifications subject to change without notice. Product images shown may not be an exact representation
of the actual product.
**
Licensed feature at additional charge.