Arif Rahman

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enable to provide number portability services identifying movement of terrorists & different type of services interconnection exchange voice interconnection colocation service connectivity infrastructure data center telecommunications ngn routing switching domestic calls international calls public switched telephone network mobile operators international gateways call detail records roaming calls mobile number portability tdm interconnection ip interconnection unified communications high availability network reliability telecom hub telecom infrastructure 24/7 support data security ups backup cooling systems fire detection systems remote management local number portability network operations center traffic management telecom license telecom regulatory commission cost-effective solutions high quality services btrc compliance voip services inter-operator agreements emergency services network scalability multi-isp connectivity cloud services integration secure cabling systems monitoring systems customer support service accessibility advanced telecommunications solutions internet service providers information technology & services computer & network security