100 Hardware installationSignaling Server types are supported.• ISP1100• CP PM signaling server• COTS IBM X306m• COTS HP DL320-G4For details about Signaling Server hardware installation, see SignalingServer Installation and Commissioning (NN43001-312) .PC (DAP controller)Minimum specifications for the PC are as follows.• 2.4 GHz CPU speed• 256 MB RAM• CD-ROM drive• 1GB free hard disk spaceDECT Access PointsTwo models of DECT Access Points are currently available for the NortelSIP DECT system, C4710 and C4710E. C4710E can use externalantenna.• C4710 DECT Access Point:— PEC: NTCW26AAE5— CPC: N0162007• C4710E DECT Access Point:— PEC: NTCW26BAE5— CPC: N0162008ATTENTIONOnly the G711 codec is supported on the C4710 and C4710E DAP models.Ensure that the G711 codec is available in your system and that the G711 codeccan be used for any call involving a DECT handset.It is not possible to make calls between the Nortel IP Softphone 2050 and DECThandsets when the following check box in the Audio settings of the softphone isselected: I use a modem to connect to the network. This setting forces theNortel IP Softphone 2050 to use the G729 codec for all calls.When using Multimedia PC Client, ensure that you select Medium Speed orHigh Speed in the Multimedia PC Client Connection preferences if you plan tomake calls between DECT handsets and Multimedia PC Clients.Nortel Communication Server 1000SIP DECT FundamentalsNN43120-123 01.076 January 2009Copyright © 2008-2009 Nortel Networks.
