Chapter 2 Product Specifications
VOP1372G-61 User’s Guide
18
Other Features • H.248 (MEGACO) support
• IEEE 802.1Q VLAN Tagging
• IEEE 802.1p CoS with Priority Queuing
• System error logging
• Out-of-band POTS signaling
• Numbering plan
• CLIP and CLIR
•Country code
•Metallic Line Test (MLT)
• External testing device support
•RTP statistics generation
• Local RTP switching
• Centralized and de-centralized H.248 interface structure
• H.248 MGC redundancy
• H.248 VOP signaling card redundancy
• H.248 remote ring back tone generation
• H.248 call overload protection
Ringer Output Amplitude Adjustable (25 ~ 90 Vrms)
Output Ringing
Frequency
Adjustable (16.7 / 20 / 25 / 50 Hz)
Ringer Output Power Maximum 15W
Peak BHCA A VOP card can support up to 20,000 Busy Hour Call Attempts (BHCA) per hour
and 3.3 call setups per second.
Digital signal processing
features
• •IP/UDP/RTP encapsulation
• Supported voice codecs:
G.711 A-law
G.711 µ-law
G.723.1
G.726 (40, 32, and 24 bit)
G.729 (G.729A and G.729B)
• T.38 fax / modem passthrough and relay
• V.21 fax tone detection
• V.23 FSK Caller ID generation
• Bellcore FSK caller ID generation
• 3-way conference call support
• DTMF detection and relay
• G.168 echo cancellation
• Silence detection and suppression
• Comfort noise generation
• Voice activity detection
• Caller ID generation
• Billing signal generation (12 / 16 kHz metering tone)
• Tone generation:
Dial tone
Busy tone
Congestion tone
Ringback tone
Waiting tone
Howler tone
Distinctive ring
• Packet loss concealment
•Tx/Rx gain
• VPI (Voice Packetization Interval)
•MWI tone
•Holding tone
Table 5 Device Specifications
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