BANGLADESH TELECOMMUNICATIONS COMPANY LIMITED - BTCl

d) Identifying the called party numberAny deviation (each of them) shall be treated as “Major Deviation”.10.1.5 Rejection of Transit CallsThe system shall have the capability to reject termination and/or block processing ofincoming calls via any route by:a) Identifying the called party numberb) Identifying leading digits of the destination numberc) Identifying the outgoing route number10.1.6 Tones and AnnouncementsThe system shall have the following capabilities:Provide embedded tones and announcement functionsRegister announcements to be played.Capability to broadcast the supported announcements.Request the gateways to play tones and announcements.Any deviation (each of them) shall be treated as “Major Deviation”.10.2 The system shall be capable to provide (but not limited to) at least the followingfacilities. The system shall have the capability to flexibly assign a combination ofvarious system facilities to any or all of the subscribers. Initiation, activation,withdrawal or changes in assignment shall be done through specific commands.10.2.1 Wrong Number ProcessingThe system shall have the capability of routing wrong dialed numbers or prefixes todedicated announcements. This shall be a default feature to all of the subscribers. Thecalls to the announcement will be non-charging. Relevant backward signals shall be sentin case of incoming calls from other exchanges. Deviation shall be treated as “CriticalDeviation”.10.2.2 Local Interception ServiceThe system shall have the possibility to divert all incoming calls to a subscriber or groupof subscribers to any local interception number. Deviation shall be treated as “MinorDeviation”.10.2.3 Trunk Barred AccessThe system shall have the possibility to put call barring discriminations on anyincoming circuit group or on any subscriber to access any specified outgoing routes.Deviation shall be treated as “Major Deviation”.10.2.4 Call GappingThe system shall have the possibility to put the function of limiting the number of callsto any outgoing route or destination. Deviation shall be treated as “Minor Deviation”.10.2.5 Non Chargeable LineBook 2 :: Tender on Replacement of Old Telephones in Dhaka City Page: 49 of 153