52
External Power
AC Adapter (US)
Input: 110-120 VAC, 60Hz
Output: 12VDC, 500mA, center positive
AC Adapter (Europe)
Input: 220-240 VAC, 50Hz
Output: 12VDC, 500mA, center positive
Power-over-Ethernet
PowerDsine capacitive detection (certified for compatibility
with 60xx midspan power injectors)
Telephony
Audio
Encoding
with RTP, UDP, IP
bandwidth
packet overhead
G.711 uLaw
64kbps
80kbps
G.711 ALaw
64kbps
80kbps
G.729A
8kbps
24kbps
Acoustic echo cancellation
On-board mixer
Tones
Dial tone
Busy tone
Fast-busy tone
Distinctive ring (Bellcore priority tones per GR-506-CORE)
1 - standard phone ring cycle
2 - Long-Long
3 - Short-Short-Long
4 - Short-Long-Short
5 - Short - "Ringsplash"
Distinctive waiting (Bellcore priority Call Waiting tones
per GR-526-CORE)
1 - standard Call Waiting cycle
2 - Call Waiting Priority 2 cycle
3 - Call Waiting Priority 3 cycle
4 - Call Waiting Priority 4 cycle
Appendix C - Specifications (cont.)