5. Reboot your system when you complete your changes.
Call Routing and Digit Map
Your device is a voice service bridge (VSB) that supports multiple voice services.
Trunks, Endpoints, and Terminals
The device can bridge calls across any of the supported voice services. A call bridge refers to a voice
connection connecting two calls on the same or different voice services.
The device allows four concurrent independent call bridges. The following matrix shows the possible
call bridge connections on the device.
Supported 2-way Call Bridges
Table 11-3 Supported 2-way Call Bridges on the Device
SP1 Service SP2 Service SP3 Service SP4 Service PDMS-SP Service
SP1 Service yes yes yes yes yes
SP2 Service yes yes yes yes yes
SP3 Service yes yes yes yes yes
SP4 Service yes yes yes yes yes
PDMS-SPService yes yes yes yes yes
NOTE: Highlighted services may not be available on some models and/or require additional
accessories.
Each supported service is also referred to as a trunk (a traditional telco term for a physical wire or
wires that deliver phone services to homes or businesses). Each trunk is represented with two-letter
abbreviation and a numeral-based instance identifier:
● SP1 = the SP1 voice service (with ITSP A, B, C, or D)
● SP2 = the SP2 voice service (with ITSP A, B, C, or D)
● SP3 = the SP3 voice service (with ITSP A, B, C, or D)
● SP4 = the SP4 voice service (with ITSP A, B, C, or D)
● PP1 = the PDMS-SP service
The instance identifier can be omitted when it equals 1. Thus, SP is equivalent to SP1, PP is
equivalent to PP1, and so forth. These short-hand notations are used heavily in configuring the
device, as found in call routes, call forward numbers, and speed dials parameters. Unless stated
otherwise, the abbreviated trunk names are case-insensitive.
In addition to all the call bridging functionalities, each device has two built-in physical Phone ports for
hooking up analog telephones or FAX machines. The device includes a set of features to support its
Phone ports to make it work also as a full-featured ATA device. Users can place and receive calls on
the Phone ports over any of the trunks.
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Chapter 11Call Routing
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