Nortel Modular Ics 6.0 Installer Guide
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Private networking using PRI SL-1 / 131 P0992638 03Modular ICS 6. 0 Installer Guide CDP call scenarios CDP call routing Call scenarioDialing String Calling Party NumberCalled Party Number Calling to another site within the network222911112229 Calling within the node222921112229 Calling the public network*9-599-9999613-763-1111 (OLI Public DN)599-9999 *Public Access Code (out to PSTN) HeadingParameterSetting A HardwareCard 1PRI ProtocolSL-1 BchanSeqAscend ClockSrcPrimary Trk/Line DataLine 245Target line Rec’d #1111 Line AccessDN 1111L245:Ring only Line pool accessLine pool PRI-A Dialing PlanPrivateCDP PrivNetID1 To C: Routing ServiceRoute001 DialOutNo numbr UsePool PRI-A DN typePrivate DestCode4 Normal rte001 Absorb0
132 / Private networking using PRI SL-1 Modular ICS 6.0 Installer GuideP0992638 03 To B: Routing ServiceDestCode6 Normal rte001 Absorb0 To Public Network: Routing ServiceRoute002 DialOutNo numbr UsePool PRI-A DN typePublic DestCode9 Normal rte002 Absorb0 B: HardwareCard 1PRI ProtocolSL-1 BchanSeqAscend ClockSrcPrimary Trk/Line DataLine 245Target line Rec’d #2229 Line AccessDN 2229L245:Ring only Line pool accessLine pool PRI-A Dialing PlanPrivateCDP PrivNetID2 To C: Routing ServiceRoute001 DialOutNo numbr UsePool PRI-A DN typePrivate DestCode4 Normal rte001 Absorb0 HeadingParameterSetting
Private networking using PRI SL-1 / 133 P0992638 03Modular ICS 6. 0 Installer Guide MCDN trunk call features The table below lists the MCDN features that are provided by an SL-1 link with MCDN active (the keycode is installed). The features affect call redirection and trunking functions, as shown in the table below. To A: Routing ServiceDestCode2 Normal rte001 Absorb0 To Public Network: Routing ServiceRoute002 DialOutNo numbr UsePool PRI-A DN typePublic DestCode9 Normal rte002 Absorb0 MCDN network features Centralized messagingnetwork call redirection information (NCRI) Centralize trunkingISDN call connection limitation (ICCL) trunk route optimization (TRO) trunk anti-tromboning (TAT) HeadingParameterSetting
134 / Private networking using PRI SL-1 Modular ICS 6.0 Installer GuideP0992638 03 Network Call Redirection Information NCRI builds on the following call features: External Call Forward Call Transfer Call Forward NCRI adds the ability to redirect a call across an MCDN network using Call Forward (all calls, no answer, busy) and Call Transfer features. The call destination also receives the necessary redirection information. This feature allows the system to automatically redirect calls from within a Norstar system to the Meridian Mail system, which resides outside the Norstar system on a Meridian 1 or another Norstar. The figure below shows an example of this situation, where user A calls user B on the same Norstar system. If user B is busy or not answering, the call automatically gets transferred to a Meridian Mail number (user C) across an MCDN link between the Norstar system and the Meridian 1 system (or another Norstar system) where the mailboxes are set up. Network call redirection path Norstar Meridian 1 with Meridian Mail SL-1 MCDN Te l e p h o n e A Te l e p h o n e B Call forwarded to Meridian Mail Original call
Private networking using PRI SL-1 / 135 P0992638 03Modular ICS 6. 0 Installer Guide If you are using the centralized voice message system from a Meridian 1 system, you require the following programming on the M1: M1 programming in LD 17 N ASA set to Yes NCRD set to Yes Verifying NASA is Active Overlay 22, LD 22 REQ: PRT TYPE: ADAN DCH (slot number) NASA should be set to yes If NASA is not on:Disable the D channel Overlay 96, LD 96 REQ: CHG TYPE:DIS DCHDisable the loop Over lay 60, LD 60 REQ: CHG TYPE: DISL (slot number)Program the D channel Overlay 17, LD 17 REQ: CHG TYPE: ADAN ADAN: CHG DCH (slot number) Keep pressing enter until you get to NASA TYPE: yes TYPE: end Verifying NCRD Overlay 20, LD 20 REQ: PRT TYPE: TIE CUST: 0 Route: Enter the route defined in LD 20 Keep pressing enter until all values are displayed. Check if NCRD is yes.If NCRD is set to no Over lay 16, LD 16 REQ: CHG TYPE: RDB CUST: 0 ROUT: (route number) from LD 20 Keep pressing enter until you get NCRD and type Yes Keep pressing enter until you get the REQ prompt again TYPE: end
136 / Private networking using PRI SL-1 Modular ICS 6.0 Installer GuideP0992638 03 ISDN Call Connection Limitation The ICCL feature 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. This feature adds a transit/tandem counter to a call setup message. This counter is compared at each transit PBX with a value programmed into the transit PBX, in a range from 0 to 31. If the call setup counter is higher than the PBX value, the call will be blocked at the PBX and cleared back to the network. This prevents calls from creating loops that tie up lines. Norstar configurations: Setting ICCL 1. With the display showing System prgming press ‘ until the display shows NetworkServices. 2. Press ≠ until MCDN displays. 3. Press ≠. NetwkICCL: displays. 4. Press CHANGE to choose either Y (yes) or N (no) Under Hardware, define Maximum transits for the card. The diagram below demonstrates how a call might loop through a network if the system is not set up with the ICCL feature.
Private networking using PRI SL-1 / 137 P0992638 03Modular ICS 6. 0 Installer Guide Call loop on system without ICCL Meridian configurations: The following settings are required on the Meridian system, using LD15: REQ = CHG TYPE = CDB Net_DATA=Yes CUST=0 ISDN=Yes RCNT(5) PSTN=No TNDM=0-31(15) PCMC=0-31(15) SATD=0-5(1) Number plan CDP, UDP, and access code configured using LD 86, 87 and LD90 NorstarMeridian 1 Te l e p h o n e A Norstar Meridian 1 Norstar
138 / Private networking using PRI SL-1 Modular ICS 6.0 Installer GuideP0992638 03 Trunk Route Optimization TRO finds the most direct route through the network to send a call between nodes. This function occurs during the initial alerting phase of a call. Business Communications Manager configurations: Under Network Settings, MCDN, set TRO to Y(yes). Configure call routing for all optimal routes. Configure Call Forward (All Calls, No Answer, Busy) or Selective Line Redirection to use the optimal routes. This feature avoids the following situation: A call originating from a Norstar system may be networked to a Meridian system, which, in turn, is networked to another Meridian system, which is the destination for the call. If the call routes through the first Meridian (M1) to reach the second Meridian (M2), two trunks are required for the call. An optimal choice is a straight connection to M2. TRO finds these connections and overrides the less-efficient setup. The following figure shows two call paths. The first route, through the Meridian, demonstrates how a call might route if TRO is not active. The second route, that bypasses the Meridian, demonstrates how TRO selects the optimum routing for a call.
Private networking using PRI SL-1 / 139 P0992638 03Modular ICS 6. 0 Installer Guide Call paths with and without TRO If you are using a Meridian 1 system as part of the network, you need the following programming for each system: Norstar configuration: 1. With the display showing System prgming press ‘ until the display shows NetworkServices. 2. Press ≠ until MCDN displays. 3. Press ≠. NetwkICCL: displays. 4. Press ‘ until TRO:Y displays. M1 TRO set to yes for Card1/Mod 1 Norstar route: LD 16 TYPE: RDB Cust: xx Rout: 0-511 TRO: Yes NorstarMeridian 1 Te l e p h o n e ATe l e p h o n e B Te l e p h o n e C Forwarded call (no TRO) Original call (no TRO) Meridian 1 PRI SL-1 PRI SL-1PRI SL-1 Call path with TRO
140 / Private networking using PRI SL-1 Modular ICS 6.0 Installer GuideP0992638 03 5. Press CHANGE to choose either Y (yes) or N (no). Trunk Anti-tromboning TAT is a call-reroute feature that works to find better routes during a transfer of an active call. This feature acts to prevent unnecessary tandeming and tromboning of trunks. This action occurs after the speech path has been established. Note: This feature is not applicable for alerting calls. This feature does not activate if TRO is set to yes. Norstar configuration: 1. With the display showing System prgming press ‘ until the display shows NetworkServices. 2. Press ≠ until MCDN displays. 3. Press ≠. NetwkICCL: displays. 4. Press ‘ until TAT displays. 5. Press CHANGE to choose either Y (yes) or N (no). Meridian configuration The following must be set on the Meridian 1 before this feature can activate: MCDN PRI D-channel must have TAT set to yes (using LD17 and TRMB in LD17) 1.5 MB/2MB DTI/PRI card configured as PRI with interface type of SL1 NCRD parameter set to yes for the MCDN PRI routes Remote capabilities configured for the D-channel (using LD 17) to include ND2