1. Download and install SIP Voip Settings Tool

This application adds missing VoIP functionality to your E52, you can download it from Nokia site: select "SIP VoIP 3.x Settings (164 kB)" option and press "Download" button. This will download SIP_VoIP_3_x_Settings_v2_0_en.sis file.

Note: Nokia site may require you logged in before allowing the download. If this happens, you can register as a developer using "Join" link (it is free) or you may send us support request from your personal control center.

After you receive .sis file, transfer it to your mobile with e.g. USB cable and run it from File Manager. This will install the application. After the program is installed, reboot (power cycle) your phone, go to Menu > Ctrl.panel and check if "Net Settings" application has been added to the list.

2a. Create your SIP profile (simple way)

Go to Menu > Ctrl.panel, run Net settings application, go to Advanced VoIP settings > Create new service then select Create new SIP profile option.

 Username: Your_AccountId#@sip.diamondcard.us
 Password: Your_Pin_code 

Press OK, your SIP profile will be saved as sip.diamondcard.us.

If you want better control over SIP profile settings, use 2b below.

2b. Create your SIP profile (more complicated way, better control)

Use this method if you want finer control over SIP settings, skip this step if you created your profile with 2a above.

Menu: Ctrl.panel > Settings > Connection > Sip Settings.

Select: Options > New SIP profile > Use default profile

 Profile name: Diamondcard 
 Service Profile: IETF 
 Default Destination: Internet
 Default Access Point: MyNetwork [NOTE: if you define
                                  this, you will 
                                  have to have 
                                  MyNetwork defined 
                                  as an access 
                                  point. Leave this
                                  setting as "None"
                                  to select access
                                  point later.]
 Public user name: Your_AccountId#@sip.diamondcard.us 
 Use Compression: No 
 Registration: When needed 
 Use Security: No 

Proxy server settings - leave untouched (all fields filled with "None").

Registrar Server Settings

 Registrar server address: sip:sip.diamondcard.us
 Realm: sip.diamondcard.us
 User Name: Your_AccountId
 Password: Your_Pin_code
 Transport Type: UDP
 Port: 5060 

Press "Back" when done.

3. Activate your SIP profile

Menu: Ctrl.panel > Net Settings

Select: Options > Advanced VoIP settings > Create new service > You SIP Profile Name

The program will suggest "Activate Profile" - activate it, the mobile will search for available data connections and suggest you to select one. After that it will try to register with our service. When your phone registers, leave Net Settings program and try to make a test call.

3. Making a test call

Dial 441 and press "Net call" button (right top soft key). After hearing a voice prompt assess sound quality.

4. Making Internet calls

To make an Internet call either dial desired number and press "Net call" button or select a contact from Contacts list, press right navigation key and select "Internet call" option. If Internet call service is not activated yet, follow mobile's prompts to establish Internet connection and activate the service. Once activated, Internet calls service remains active until you de-activate it.

Note: Do not disconnect active Internet connection without de-activating Internet call service: it will cause your phone to freeze and you will have to power-cycle it.

5. Disconnecting Internet calls service

To disconnect the service, go to Contacts, press left navigation key, select your SIP profile name from the list, press Options and select "Deactivate service".

Hints:

1. Before placing an Internet call, make sure your Wi-Fi network (or 3G connection) allows UDP traffic through ports 5060 and 49152-65534.

2. When you make a call through DiamondCard.us service, destination numbers must start with country code, without leading "+", "00" or any other prefixes or interventing characters, for example, to call US number (777)123-4567, just dial: 17771234567.

3. If sound quality is not good (choppy sound, big delays), launch Net Settings application, go to Advanced VoIP settings > VoIP services, select your SIP profile, go to Codecs, press Options and remove all codecs but PCMU and PCMA: these codecs provide the best quality but require a good bandwidth. For lower bandwidth and lower quality use G729 codec. Removed codecs can be restored later with Add option of Options menu. By default Nokia E52 uses iLBC codec which provides poor quality. Codecs tech.info could be found on Nokia site (may require developer's access). Depending on your Internet connection, setting of QoS might also help.



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