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Telkom rolls out NGN services

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Telkom's infrastructure build is well underway, with its next generation network (NGN) now in its third year of implementation. 

"Customer demands  and global standards necessitate the provision of services and particularly bandwidth that is only possible utilising the intelligence of an NGN system," says CEO Reuben September.
So far, the network has increased Telkom's ADSL footprint to 2 660 DSLAMs, covering 92% of its existing customer footprint.
Meanwhile, 84 Metro Ethernet nodes have been deployed in major cities using 10Gbit and 1Gbit line systems.
The The first system of Dense Wave Division Multiplexing (DWDM) system capable of  40Gbps signals over a single pair of fibre has been deployed between Gauteng and Durban. "This has significantly increased transport bandwidth capability," says September. "A significant rollout of this system between all major cities in South Africa is currently in the build phase, and planned for completion during the 2009 financial year."
Automatic self-healing re-routing of bandwidth on the national layer has commenced, he adds, while the national and local transport network increased by 377 nodes, growing the network bandwidth by 1,2Tbps, which is a growth of 21%.
"Total international bandwidth has increased to 4,5Gbps, which is a growth of 88%," September adds.
Meanwhile, the ATM network available bandwidth on the core and metro layers has increased to a combined 147 Gbps, which is a growth of 41%, and the national IP network bandwidth has increased to 32,2Gbps, which is a growth of 11%.
"Network Interactive Voice Response Systems have been deployed which offer advanced speech services," says September. "Automated speech recognition and text-to-speech application enable corporate customers and Telkom to enhance their voice systems."
Diginet and Diginet Plus network bandwidth has increased to 27Gbps, a growth of 20%.
In addition, 237 WiFi hotspots have been deployed at strategic partner locations, fibre deployment has increased by 8,7%, and IMAX has been introduced into the system and is ready to carry traffic.
"IMAX has the ability to carry narrowband and broadband services for wire line legacy and converged services," says September.