Product Overview The arrangements contained in this Tariff Item are offered by TELUS Communications Inc. (TELUS) and are available only to registered Canadian Carriers. These central office link arrangements provide transmission paths from the Interconnecting Carrier's co-located central office building space to the transmission cross-connect panel within the central office for the purpose of transmitting at DS-1 and DS-3 speeds. Tariff Reference Terms and Conditions Rates Carrier Access Tariff Item 235 Product Overview This Tariff provides all unbundled underlying PSTN access components necessary for AESPs to provide services similar to the Company's AIN services. Tariff Reference Terms and Conditions Rates Carrier Access Tariff Item 230 Product Overview An interconnecting circuit with Trunk Side Access refers to a connecting arrangement provided by the Company over which traffic from the Inter-Exchange Carrier network can be routed for termination in the local PSTN. An interconnecting circuit with Trunk Side Access may be arranged for Feature Group D service, which provides the Inter-Exchange Carrier with the capability of offering subscribers access to its network by dialing 1+, 0+, 00-, 10XXX, 01+ or 011+. Interconnecting circuits with Trunk Side Access arranged for Feature Group D service may be connected to an Access Tandem (AT Connection) or to an End Office (Direct Connection), and may use Multi-Frequency (MF) signaling or CCS7 signaling, subject to the availability of suitable facilities. Access to the Inter-Exchange Carrier network from TELUS pay telephones is available via 10XXX dialing. The Company will not accept coin payment for such calls. An interconnecting circuit with Trunk Side Access may be arranged to provide for the routing of 800/877/888 calls destined for the Inter-Exchange Carrier network. This arrangement is available for AT Connections only and may use MF or CCS7 signaling. Interconnecting circuits with Trunk Side Access established for the purpose of routing 800/877/888 calls destined for the Inter-Exchange Carrier network must be arranged for one-way service. The following service charges are associated with the provisioning of interconnecting circuits with Trunk Side Access and CCS7 links and will apply for each DS-0 Set. A DS-0 Set is defined as a group of DS-0s which are of the same type (i.e., Feature Group D, or 800/877/888), within the same DS-1, connected at the same location and ordered at the same time. Tariff Reference Terms and Conditions Rates Carrier Access Tariff Item 270 Product Overview Local Number Portability (LNP) - Access to Service Control Point ("SCP") is an arrangement that provides Interconnecting Carriers (ICs) with the capability to access a SCP database to obtain information pertaining to the terminating location of a telephone call to a telephone number identified as a portable number. Ten Digit Global Title Translation (10D GTT) provides signaling and message exchange for ICs having CCS#7 capability for those wishing to contract TELUS to perform 10D GTT on their behalf. The 10D GTT service supports those ICs that exchange Call Management Services (CMS) queries for Automatic Call Back (ACB), Automatic Recall (AR), Screen List Editing (SLE) and Calling Name (CNAM) queries where the IC cannot, or does not, perform the 10D GTT within its own network. Tariff Reference Terms and Conditions Rates Carrier Access Tariff Item 265