Here is some more information about Telecom New Zealand's latest APN list for their XT Network. As most of you will know, APNs can be changed in your device settings/profiles to adjust your connection characteristics. Here is the current APN list:

internet.telecom.co.nz
direct.telecom.co.nz
wap.telecom.co.nz
bb.telecom.co.nz

All Telecom phones come configured with the following connections (thanks to scorpiworld for providing the list):

Name: TelecomDefault
APN: wap.telecom.co.nz
Data bearer: Packet Data
Network type: IPv4
IP Address: automatic
DNS: automatic
Homepage: N/A
Use Proxy: No
Proxy IP: N/A
Proxy Port: N/A
Proxy Secure Port: N/A
Username: N/A
Password: N/A
Applications: Default connection (email, AGPS, ActiveSync, Java)

Name: TelecomContent
APN: wap.telecom.co.nz
Data bearer: Packet Data
Network type: IPv4
IP Address: automatic
DNS: automatic
Homepage: http://myhomepage
Use Proxy: Yes
Proxy IP: 210.55.11.73
Proxy Port: 80
Proxy Secure Port: 8080
Username: N/A
Password: N/A
Applications: WAP browser, RSS, mobile blog

Name: TelecomMMS
APN: wap.telecom.co.nz
Data bearer: Packet Data
Network type: IPv4
IP Address: automatic
DNS: automatic
Homepage: http://lsmmsc.xtra.co.nz
Use Proxy: Yes
Proxy IP: 210.55.11.73
Proxy Port: 80
Proxy Secure Port: 8080
Username: N/A
Password: N/A
Applications: MMS

Name: TelecomData
APN: internet.telecom.co.nz
Data bearer: Packet Data
Network type: IPv4
IP Address: automatic
DNS: automatic
Homepage: http://pdaportal.telecom.co.nz
Use Proxy: No
Proxy IP: N/A
Proxy Port: N/A
Proxy Secure Port: N/A
Username: N/A
Password: N/A
Applications: Data card, tethered data, RTSP streaming