Bitstream Bitstream

  • Is it possible to subscribe to the Bitstream service on both the ATM and the Ethernet networks simultaneously?
  • Yes, you need to sign the two specific contracts and interconnect to each of the two platforms (ATM and Ethernet).

  • What are the requirements for accessing the Bitstream service with interconnection to the DSLAM?
  • A specific Ethernet DSLAM interconnection contract must have been signed.

  • What is meant by a “naked line”?
  • A “naked line” is a copper access line with no RTG/ISDN/WLR voice service. It is a line used exclusively for the ADSL data service.

  • Is an extra monthly “naked line” fee charged on top of the standard asymmetrical Bitstream fee?
  • The monthly rental for a naked ADSL line (at April 2010 this is 18.72 euros/month) is the same as the monthly rental for a shared ADSL line (at April 2010 this is 8.00 euros/month) plus an additional retail minus component (at April 2010 it this is 10.72 euros/month).

  • Can a naked line be changed to a “shared” line when switching between two Operators?
  • This is not possible since migration of an ADSL line between two Operators does not trigger activation of voice services.

  • What are the rules for correctly identifying the “pilot number” for entering orders?
  • The pilot number must be a fixed telephony network RTG or ISDN number, in operation with TIM in the vicinity of the customer's premises where the line is to be activated.

  • What is the guaranteed band for an individual VC within the TIM network for shared band asymmetric Bitstream services?
  • In the shared band model, the network is unable to analyse the traffic for individual VCs bundled in the VP, and can only control the overall traffic for the VP at the interconnection point.

  • Is it possible to find information on exchanges equipped with RAFs for symmetric Bitstream?
  • This is not possible since the information is not important for the purposes of pricing, provisioning and assurance.

  • Does TIM notify the activation of an SHDSL DSLAM in an exchange not previously equipped with one, so that Operators can ask for new termination of symmetric Bitstream accesses “with booster” previously activated?
  • TIM notifies the activation of the SHDSL symmetric service in each exchange. The specific equipment solution chosen by TIM for standard delivery (e.g. direct to DSLAM or with booster) is not important for the purpose of pricing and the feasibility of requests for new termination can be only analysed based on an ad hoc project charged to the operator.

  • If when setting up new connections with DSLAM diversification, due to network reorganisation TIM is not able to guarantee such diversification, does it make this clear to the Operator?
  • These are project-based solutions for which reference must be made to the specific agreement stipulated between the three parties.

  • Which classes of service are guaranteed for the Bitstream service?
  • For Bitstream on the ATM platform, three classes of service are offered: ABR, VBR-rt and CBR; for Bitstream on the Ethernet platform, the CoS are 0, 1 and 3 (at April 2010).

  • What are the response times for a feasibility study for interconnection of the Bitstream service to the ETHERNET DSLAM on the Ethernet network?
  • There are no standard times, the results of the feasibility study are supplied as soon as possible if requested by the Operator.

  • How much does this Feasibility Study cost?
  • There is no price applicable to all feasibility studies.

  • If it is not possible to use the Bitstream service on the ATM network at a given exchange, can the Ethernet network be used?
  • Yes, provided that the exchange is also open to the Ethernet Bitstream service.

  • How can I check the geographical coverage for the Bitstream service?
  • You need to log on to the TIM Wholesale portal and follow the path given below: Broadband and Ultra Broadband, Bitstream, and, at the bottom of the page, Bitstream geographical coverage. At the IP 80.19.49.141 address an availability for sale portal is provided where, by entering a TIM fixed telephony number, you can see whether or not there is coverage by the service (green or red light).

  • What happens if the exchange concerned is saturated?
  • If a date is given for expected expansion at the saturated exchange, it will be necessary to wait for reactivation before requesting new xDSL lines again. In any case, even if the exchange is saturated, the end customer can switch access provider if it is possible to reuse the resources of the donor operator's service.

  • Does the price of the service differ according to the speed?
  • As far as ADSL is concerned, the price of the access line does not differ according to the speed and the rental for accesses from 640 Kbps to 20 Mbps is always the same; where symmetric accesses are concerned, on the contrary, the cost of the access line differs according to the speed (1-1.6-2 Mbps, 4 Mbps, 6 Mbps, 8 Mbps).

  • How do I choose between ATM and Ethernet interconnection?
  • It will depend on the PoP technology used by the Operator for interconnection (ATM or Ethernet) and on the kind of services the Operator intends to offer to its end customers (e.g. ATM Bitstream has wider geographical coverage and both ADSL and SHDSL accesses, while Ethernet Bitstream has higher band capacity even for multicast video applications).

  • How can I find out whether a location is served by ADSL?
  • You need to log on to the TIM Wholesale portal and follow the path given below: Broadband and Ultra Broadband, Bitstream and, at the bottom of the page, Bitstream geographical coverage – PLANNED exchanges” which shows the date when activation is planned for each exchange.

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