BANGLADESH TELECOMMUNICATIONS COMPANY LIMITED - BTCl

Soft-switch should have the capability to keep time synchronization with the NTP servervia NTP protocol following the standard IETF, RFC1305.5.4.4 Each of the deviation shall be treated as “Change of Substance”.5.5 Other Requirement5.5.1 Protocol Processing Capability: The SS shall provide capability of handling minimum 16(sixteen) local signaling point codes. The deviation shall be treated as “CriticalDeviation”.5.5.2 The Bidder must mention the BHCA capacity of individual Voice Processing Cards onthe Soft Switch. The deviation shall be treated as “Major Deviation”.5.5.3 Voice Activity Detection (VAD) with silence suppression (transmission of silencepackets) and insertion of comfort noise at far end should be supported, if required. Thedeviation shall be treated as “Minor Deviation”.5.5.4 Tones and AnnouncementsThe SS shall have the following capabilities:i) Provide embedded tones and announcement functionsii) Register announcements to be played.iii) Capability to broadcast the supported announcements.iv) Request the gateways to play tones and announcements.Each of the deviation shall be treated as “Major Deviation”.5.5.5 Class 5 Services5.5.5.1 SS must be able to analyze, manipulate and modify specific B numbers or numberranges (up to 24 digits) for call routing purposes.5.5.5.2 For a specific PSTN address, the SS must be able to apply the followingmanipulations on the dialed digit string (‘translations’). Translations must provide:a) The ability to add or delete digit strings at specified positions,b) Specify number ranges with minimum and maximum digit length,c) Index different translation entry points,d) Invoke the generation of a billing record, as well as to specify a code (i.e. “CallCode”) against the billing record generated,e) Manipulate the Calling Line Identifier (CLI) for either signaling or billing purposes,f) White List/Black List screening – that is, invoke screening on the incoming call CLI;the capability of specifying at least 1 million CLI’s for either blacklist or white-listscreening,g) Ability to control the application of an echo canceller via translations on a per callbasis.5.5.5.3 The SS shall provide routing facilities as follows:a) Overflow routingb) Alternative routingc) Proportional routingd) Even distribution of traffic within a trunk groupe) Bearer traffic routing (i.e. different routing for voice and data calls)f) Different routing based on the class of service of the trunk or line onBook 2 :: Tender on Replacement of Old Telephones in Dhaka City Page: 33 of 153