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Network interfaces and equipment | 11 |
Network interfaces and equipment
Avaya IP600 supports a variety of interfaces to voice and data networks. Trunks supply links between Avaya IP600, the public network, and other switches. DS1 interfaces offer
Trunk group circuits
Trunks provide the communications links between Avaya IP600 and other switches, including central office switches and other premises switches. Trunks that perform the same function are grouped together and administered as trunk groups. Trunks interface with Avaya IP600 via port circuit packs. Avaya IP600’s trunk group circuit types include the following:
Local exchange trunks Local exchange trunks connect Avaya IP600 to a central office. The following are some of the types available:
• Central office trunks, which connect Avaya IP600 to the local central office for incoming and outgoing calls
• Foreign exchange trunks, which connect Avaya IP600 to a central office other than the local one
• Wide Area Telecommunications Service trunks, which allow you to place long- distance outgoing
•
• Direct Inward Dialing (DID) trunks, which connect Avaya IP600 to the local
| central office for incoming calls dialed directly to stations without attendant |
| assistance |
| • Digital Service 1 (DS1) trunks, which can be used to provide ISDN Primary Rate |
| Interface local exchange trunk services. DS1 by itself can be used to provide local |
| exchange trunk services |
Tie trunks | Tie trunks carry communications between Avaya IP600 and other switches in a |
| private network. Several types of trunks can be used, depending on the type of private |
| network you establish. |
Auxiliary trunks | Auxiliary trunks connect devices with the switch. Some of the features that are |
| supported with this type of trunk are recorded announcements, telephone dictation |
| service, malicious call trace, and loudspeaker paging. |
| Overview for Avaya IP600 Internet Protocol Communications Server |
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