Supplementary Services - Cisco 761M Installation Manual

Supplementary Services

Figure 4-3
CO NF IG
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.
4-6
Cisco 700 Series Router Installation Guide
Analog Telephone to Router Connection (Cisco 766 Shown)
10 BA SE T
Li nk
N O D E
H U B IS D N S /T
IS DN U
S
0
N T- 1
RJ-11 telephone cable
+5 V --- 1.5
A +/- 5%
-30 V- -- 0.2
A +/- 25 %
Analog
telephone