About the device
The ZyXEL P-2812HNU-F1 modem supports both internet and landline calling. With this modem, multiple computers can access wireless internet at the same time. That makes it easy to connect your computer, laptop, tablet and smartphone to the internet. You can also set up a blazing-fast wired network with this modem via its 4 gigabit ethernet ports. The wireless modem supports speeds up to 300 Mbit/s.
Official documentation
Datasheet: ftp://ftp2.zyxel.com/P-2812HNU-F1/datasheet/P-2812HNU-F1_2.pdf
Quick Start Guide: ftp://ftp2.zyxel.com/P-2812HNU-F1/quick_start_guide/P-2812HNU-F1_1.pdf
User Guide: ftp://ftp2.zyxel.com/P-2812HNU-F1/user_guide/P-2812HNU-F1_1.00.pdf
Setting up your CheapConnect account
1. Choose 'VoIP' and then 'SIP'
2. Then, on the 'SIP Service Provider' tab, fill in the following details:
General
SIP Service Provider Name: CheapConnect
SIP Local Port: 5060
Main SIP Server Address: sip.cheapconnect.net
SIP Server Port: 5060
REGISTER Server Address: sip.cheapconnect.net
REGISTER Server Port: 5060
SIP Service Domain: sip.cheapconnect.net
Bound Interface Name
Bound Interface Name: AnyWAN
RFC Support
PRACK (RFC 3262): Supported
DNS SRV Enabled (RFC 3263): Off
Session Timer (RFC 4028): Off
VoIP IOP Flags
Replace dial digit '#' to '%23' in SIP messages: Off
Remove ':5060' and 'transport=udp' from request-uri in SIP messages: On
Remove the 'Route' header in SIP messages: Off
Don't send re-Invite to the remote party when there are multiple codecs answered in the SDP: On
Remove the 'Authentication' header in SIP ACK message: On
RTP Port Range
Start Port: 50000
End Port: 65535
DTMF Mode
DTMF Mode: RFC 2833
Transport Type
Transport Type: UDP
Fax Option
G711 Fax Passtrough: On
Outbound Proxy
Enable: Off
QoS Tag
SIP TOS Priority Setting: 5
RTP TOS Priority Setting: 5
Timer Setting
Expiration Duration: 6000 second
Register Re-send timer: 512 second
Session Expires: 1800 second
Min-SE: 1800 second
Dialing Interval Selection
Dialing Interval Selection: 1 second


Service Provider Selection
Service Provider Selection: CheapConnect
SIP Account Selection
SIP Account Selection: SIP 1
General
Active SIP Account: On
SIP Account Number: 77707005239
Authenticaton
Username: 77707005239
Password: wachtwoord123
URL Type
URL Type: SIP
Voice Features
Primary Compression Type: G.711ALaw
Second Compression Type: G.729
Third Compression Type: G.722
Speaking Volume Control: Maximum
Listening Volume Control: Maximum
Active G.168 (Echo Cancellation): On
Active VAD (Voice Active Detector): Off
Call Features
Send Caller ID: On
Active Call Transfer: On
Active Call Waiting: On
Active Call Waiting Reject Time: 30 second
Active Unconditional Forward: Off
Active Busy Forward: Off
Active No Answer Forward: Off
No Answer Ring Time: 10 second
Hot Line / Warm Line Enable: Off
Active Anonymous Call Block: Off