NETAŞ Hosted Services Center NHSC
(Features and Qualities)
- Nortel MG 3200 Media Gateway network
- Fully redundant fiber infrastructure network
- POP structure positioned within the Türk Telekom operators
- Online Monitoring (Voice/Data)
- Juniper brocade switch infrastructure
- World leader CS2000c softswitch system
NHSC's Superior Operational Aspects
- Capacity of 2 million simultaneous calls
- CS2000c softswitch system with fully redundant components and a rich range of features in carrier quality (99.999%)*
- CS2000c * is also used by operators including Türk Telekom.
- Peripheral units such as power supply and air conditioning are also redundant.
- Separate safety precautions are taken for signalling and voice services against IP attacks.
- Since the system is open to new generation multimedia services, services such as video calling over PC, central guide, multiple voice conference and trainings over the web may be provided.
* Results of real use have been confirmed.
* 100M+VoIP port, 8M+SIP line, 320 global carrier customers such as BT, Sprint, Verizon, Optus, Telefonica and etc.
Network architecture
Interface Standards
Fast Ethernet IEEE 802.3u
Gigabit Ethernet IEEE 802.3z, IEEE 802.3ab
10G Ethernet IEEE 802.3ae
ITU-T G.703 E1
IEEE 802.11b
IEEE 802.11g
Protocols
SDSL ITU G.991.2
PPP Multilink (RFC 1990)
The Point-to-Point Protocol (PPP) RFC 1332
Layer Two Tunneling Protocol "L'TP" RFC 2661
Standards Used in Voice Services
Signalling Protocol: SIP version 2
Codec: G729r8, G729br8, G711alaw, G711ulaw
Fax Protocol: G711alaw fax pass-through
DTMF: RFC2833
Bizfonik has established the network above by performing an interconnection between its operators in POP points and Türk Telekom operators as a STH operator and ISP.
High capacity spine consists of 3xGbps Metro Ethernet and spare ATM internet exits as Ümraniye Netaş Telecommunication center, point-to-point fiber optical connections backed up from Türk Telekom İnkilap and Ümraniye operators and redundant systems and data lines for service continuity in POPs throughout Turkey.