Cisco 700 - Manual (Page 54)

Supplementary Services
Cisco 700 Series Router Installation Guide 4-6
Figure 4-3 Analog Telephone to Router Connection (Cisco 766 Shown)
Supplementary Services
This section describes how to configure the Cisco 765, Cisco 766, Cisco 775, and
Cisco 776 routers for supported supplementary services. These are the only models that
support the following supplementary services:
•
Call Waiting
•
Call Hold and Retrieve
•
Call Transfer
•
Three-Way Call Conferencing
Cisco 700 series routers do not support Open Service Intervals or Battery Reversal.
CONFIG
+5V ---1.5A +/-5%
-30V--- 0.2A +/-25%
S 0 NT-1
ISDN U
ISDN S/T
Link NODE HUB
10BASET
H10773
Analog
telephone
RJ-11 telephone cable