CAPACITIES
11-2 Installation Manual June, 2011
CAPACITIES The IPedge system can support up to 1000 URI entries. Refer to Table
11-1.
911/E911 CALLS It is imperative to ensure that E911 calls are routed correctly in all cases
according to local and state laws.
Note: The IPedge system does not send Caller Emergency Service ID
(CESID) out on SIP trunks. Check with your state and local
authorities concerning E911 requirements, if any.
Important! IP Phone users in locations where 911 calls can not be
routed to the correct PSAP must maintain a wired land
line phone or cell phone in order to make 911 calls to the
correct PSAP.
SIP SIGNALING IPedge system SIP Trunks will send SIP message 100 trying and 180
ringing in response to Invites, message 183 is not available as a session
progress response.
Table 11-1 Trunk Capacities
Trunks EC Server EM Server
IPedge Net IP
channels
96 440
SIP Trunk channels
96 440
Total Analog, T1, and ISDN trunk channels connected
by gateways.
96 440
Channel Groups
220 220
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