Nortel Modular Ics 6.0 Installer Guide
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Private networking using PRI SL-1 / 111 P0992638 03Modular ICS 6. 0 Installer Guide caller information appears on both the caller telephone and the called telephone, regardless of the number of redirections PSTN lines connected to one of the nodes in a network can provide local public service, at local rates, to all nodes in the network, regardless of location Features specific to Advanced Private Network centralized voice mail provides call waiting indications on the receiving telephone centralized voice mail provides common messages, call- forwarding and transfer options to all networks. If the you are using the Meridian attendant system, the attendant console on the Meridian system can use system-wide parking (camp-on) and break-in features. if you have trunk route optimization (TRO) on, the system optimizes call routing of redirected calls over the private network the Meridian PBX can handle both UDP and CDP, thus providing more flexibility and less reprogramming when networking existing systems. The Norstar Voice mail system requires a CDP dialing plan when it is being used for central call handling. Trunk Anti-tromboning (TAT) provides network rerouting that provides more efficient routing of calls to prevent unnecessary tandeming and tromboning of trunks. ISDN Call Connection Limitation (ICCL) piggybacks on the call initiation request and acts as a check at transit PBX points to prevent misconfigured routes or calls with errors from blocking channels.
112 / Private networking using PRI SL-1 Modular ICS 6.0 Installer GuideP0992638 03 NCRI count allows a call to be forwarded in the network up to five times before the system releases the call as undelivered. However if TAT or TRO occur, the counter gets reset, as well. This counter is hard-coded. Profile 2: ETSI private networks provide line redirection. Private Network Tandem calling Tandem networking is a chained network established between two or more MICS systems. All the systems are connected via PRI SL-1 lines. In the network example shown below, nodes A, B, and E are in one location, Nodes C, D, and F are in a second location. The two systems are tied together between nodes A and C. Nodes A and C are also connected to the local public network. This configuration allows both local network users and remote users on the public network to access the remote PSTNs through the private lines, thus avoiding public call charges. All nodes have unique three-digit private identification codes as well as public network codes. Routes and destination tables are configured on all systems to correctly route dialed numbers to other nodes. DNs do not necessarily have to be unique, but they must be the same length on all systems.
Private networking using PRI SL-1 / 113 P0992638 03Modular ICS 6. 0 Installer Guide Tandem network Calls originating from the public network Received Destination Description Node A Node A User in Calgary dials 761-xxxx number Incoming interface: Public DN type: Public Node A receives the call and identifies it as terminating locally. Uses target line to route call. Destination: Local (target line) Lines to public networkPublic Networkprivate trunkprivate trunk Norstar Norstar Public Networkprivate trunk Norstarprivate trunk NorstarLines to public network Norstar private trunk Calgar y Norstar Ottawa A B E C D F Calgar y network routes only area codes 403 and 604 Public: 403-765-XXXX Private ID: 395 Ottawa network routes all area codes except 403 and 604 Public: 403-762-XXXX Private ID: 392Public: 403-761-XXXX Private ID: 391 Public: 613-766-XXXX Private ID: 396Public: 613-764-XXXX Private ID: 394Public: 613-763-XXXX Private ID: 393
114 / Private networking using PRI SL-1 Modular ICS 6.0 Installer GuideP0992638 03 Node A Node B User in Calgary dials a 762-xxxx number DN type: Public Node A receives it and identifies it as being for node B. Uses private trunk to route it to B. Incoming interface: Public Destination: Remote Node Outgoing interface: Private Node B receives the call and identifies it as terminating locally. Uses target line to route call. Incoming interface: Private Destination: Local (target line) Node A Node E User in Calgary dials a 765-xxxx number. DN type: Public Node A receives it and identifies it as being for B. Uses private trunk to route call to B. Incoming interface: Public Destination: Remote node Outgoing interface: Private Node B receives it and identifies it as being for E. Uses private trunk to route call to E. Incoming interface: Private Destination: Remote node Outgoing interface: Private Node E receives the call and identifies it as terminating locally. Uses target line to route call. Incoming interface: Private Destination: Local (target line) Received Destination Description
Private networking using PRI SL-1 / 115 P0992638 03Modular ICS 6. 0 Installer Guide Node A Node C User in Calgary dials a 761-xxxx number which is answered with DISA. Incoming interface: Public DN type: Public Destination: Local (DISA DN) User enters a COS password and a private DN for Node C i.e. 6 + 393-xxxx DN type: Private Node A receives it and identifies it as being for C. Uses the private trunk to route the call to C. Incoming interface: (DISA user) Destination: Remote node Node C receives the call and identifies it as terminating locally. Uses target line to route call. Incoming interface: Private Destination: Local (target line) Node A Node D User in Calgary dials a 761-xxxx number which is answered with DISA. Incoming interface: Public DN type: Public Destination: Local (DISA DN) User enters a COS password and a private DN for Node D, i.e. 6 + 394-xxxx DN type: Private Node A receives it and identifies it as being for C. Uses the private trunk to route the call to C. Incoming interface: (DISA user) Destination: Remote node Node C receives it and identifies it as being the responsibility of D. Uses private trunk to route call to D. Incoming interface: Private Destination: Remote node Node D receives the call and identifies it as terminating locally. Uses target line to route call. Incoming interface: Private Destination: Local (target line) Received Destination Description
116 / Private networking using PRI SL-1 Modular ICS 6.0 Installer GuideP0992638 03 Calls originating in the private network Node A Ottawa PSTNUser in Calgary dials a 761-xxxx number which is answered with DISA. User enters a COS password and an Ottawa public network number. Incoming interface: Public DN type: Public Destination: Local (DISA DN) Node A receives it and identifies it as being for C. Uses the private trunk to route the call to C. Incoming interface: Local (DISA user) Destination: Remote PSTN Node C receives the call and identifies it as a public number and routes it out over the local PSTN. Incoming interface: Private Destination: Local PSTN Received Destination Description Node B Node B DN is internal, therefore no trunk routing is required. Incoming interface: Intercom DN type: Local Destination: Local Node A Ottawa PSTNUser in Node A dials the private network access code for Node C, followed by an Ottawa public number. Incoming interface: Intercom DN type: public Destination: Remote PSTN Node C receives the call and identifies it as being for the public network. Node C routes the call over the local public network. Incoming interface: Private DN type: Public Destination: Local PSTN Received Destination Description
Private networking using PRI SL-1 / 117 P0992638 03Modular ICS 6. 0 Installer Guide Node B Calgary PSTNUser on Node B dials a public DN. Node B recognizes it as being the responsibility of Node A and uses private trunk to route the call to A. Incoming interface: Intercom Destination: Remote node Node A receives the call and identifies it as being for the public network. Node A routes the call over the local public network. Incoming interface: Private Destination: Remote PSTN Node B Node A User in Node B dials a private DN for a user on A. DN type: Private Node B recognizes it as being for Node A. Uses the private trunk to route the call the call to A. Incoming interface: Intercom Destination: Remote node Node B receives the call and identifies it as terminating locally. Uses target line to route call. Incoming interface: Private Destination: Local (target line) Node B Node C User on Node B dials a private DN for a user on C. DN type: Private Node B recognizes it as being the responsibility of Node A and routes the call over the private trunk to A. Incoming interface: Intercom Destination: Remote node Node A receives it and identifies it as being for C. Uses IP trunk to route call to C. Incoming interface: Private Destination: Remote node Node C receives the call and identifies it as terminating locally. Uses target line to route call. Incoming interface: Private Destination: Local (target line) Received Destination Description
118 / Private networking using PRI SL-1 Modular ICS 6.0 Installer GuideP0992638 03 Node B Node D User on B dials a private DN for node D. DN type: Private Node B identifies it as being for node A and uses private trunk to route the call to A. Incoming interface: Intercom Destination: Remote node Node A receives it and identifies it as being for C. Uses IP trunk to route call to C. Incoming interface: Private Destination: Remote node Node C receives it and identifies it as being for D. Uses the private trunk to route call to D. Incoming interface: Private Destination: Remote node Node D receives the call and identifies it as terminating locally. Uses target line to route call. Incoming interface: Private Destination: Local (target line) Node B Node F User on B dials a private DN for node F. DN type: Private Node B identifies it as being for node A and uses private trunk to route the call to A. Incoming interface: Intercom Destination: Remote node Node A receives it and identifies it as being for C. Uses IP trunk to route call to C. Incoming interface: Intercom Destination: Remote node Node C receives it and identifies it as being for D. Uses the private trunk to route call to D. Incoming interface: Intercom Destination: Remote node continued on next pageReceived Destination Description
Private networking using PRI SL-1 / 119 P0992638 03Modular ICS 6. 0 Installer Guide Routing for tandem networks In tandem networks each node needs to know how to route calls that do not terminate locally. To do this, you set up routes for each connecting node by defining destination codes for each route. If the node is also connected to the public network, the usual routing is required for that connection. The following examples, show the routing tables for Node A and Node C for externally-terminating calls. Note: The PRI lines are enbloc lines, so all dialed digits are collected before being dialed out. Node A Destination Code Table, external termination Node B to Node F (continued)Node D receives it and identifies it as being for F. Uses the private trunk to route call to F. Incoming interface: Intercom Destination: Remote node Node F receives the call and identifies it as terminating locally. Uses target line to route call. Incoming interface: Private Destination: Local (target line) RouteAbsorb lengthDestination code (public DNs) 4 (PSTN)191604 3 (Node B)091403762 (Node B) 3 (Node B)091403765 (Node E) 4 (PSTN)19140376* (not internal network) 4 (PSTN)1914037* (not internal network) 4 (PSTN)191403* (not internal network) 4 (PSTN)19* (not internal network) * This wild card represents a digit between 1 and 9.Received Destination Description
120 / Private networking using PRI SL-1 Modular ICS 6.0 Installer GuideP0992638 03 Node A Destination Code Table, internal termination Node C Destination Code Table, external termination Node C Destination Code Table, internal termination RouteAbsorb lengthDestination code (private DNs) 3 (Node B)0392 (Node B) 3 (Node B)0395 (Node E) 5 (Node C)0393 (Node C) 5 (Node C)0394 (Node D) 5 (Node C)0396 (Node F) RouteAbsorb lengthDestination code (Public DNs) 3 (Node B)091613764 (Node D) 3 (Node B)091613766 (Node F) 4 (PSTN)19161376* (not internal network) 4 (PSTN)1916137* (not internal network) 4 (PSTN)191613* (not internal network) 4 (PSTN)19161* (not internal network) 4 (PSTN)1916* (not internal network) 4 (PSTN)191* (not internal network) 4 (PSTN)19 (not internal network) * This wild card represents a digit between 1 and 9. RouteAbsorb lengthDestination code (Private DNs) 3 (Node D)0394 (Node D) 3 (Node D)0396 (Node F) 5 (Node A)0391 (Node A) 5 (Node A)0392 (Node B) 5 (Node A)0395 (Node E)