24 25
All the drafts and the messages sent unsuccessfully saved in your
device will be displayed here.
• Click View to access the edited interface of selected message,
then click Send to send it.
VoIP
You can use this function only in 4G Gateway mode. For the de-
tailed VoIP parameters, please consult your service provider.
Settings
Select VoIP > Settings to access the following gure:
• Outbound Mode: Enable or disable the use of SIP outbound
server cong parameter.
• STUN Mode: Enable or disable the use of STUN server to
discover NAT mapping.
• Reregister Every: Expires value in seconds for a REGISTER
request.
• URI format: The number format of VoIP call. For example, sip
format will be sip:1234@192.168.0.1, while tel format will be tel:
1234.
• DTMF Mode: Select DTMF mode.
• SIP Port: The listening/binding port of the local User Agents
for receiving and transmitting SIP messages. By default, it sets
5060.
• RTP Port: Set RTP Real-time Transport Protocol Port.
User Details
Select VoIP > User > User Details access the following gure:
• SIP Register Server: A server that accepts registration requests
from users. If it is unspecied or blank, the voice port will not use
a SIP registrar and will not send a REGISTER message. The
value must specify the protocol.
• SIP Domain: A SIP Domain name or IP address, defined by
customer.
• SIP Realm: This is a string value provided by the ITSP, such as
AVSTW, or may be a domain name like www.zte.com.cn, dened
by customer.
• SIP Proxy Mode: Enable or disable the use of SIP proxy server
cong parameter.
• Display Name: Display name for using in the SIP URI.
• User Name: User name for using in the SIP URI for the
respective appearance.
• Authorized User Name: This is for authentication with a
registrar.
MF29T User Manual V1.1-0703.indd 24-25 2012-7-3 16:46:31