Some phones in your network might be located at an unsecure location where external or rogue users could misuse them by making GSM or international calls. You could use the Call Manager's FAC feature to lock GSM and international dialling on these particular phones. The below example we will be only be implementing restriction to GSM calls from phones. Similar method could be used for restricting International calls also.
Step 1: First step would be to login to the Call Manager, go to Call Routing > Class of Control > Partition and then click Add New to create a new partition. Enter name as PT_FORCED_GSM (or any sensible name starting with PT to let you know that it's a Partition).
Step 2: Next we need to create a new Route Pattern with FAC enabled. For this go to Call Routing > Route/Hunt > Route Pattern, click Find to see all the existing Route Patterns on your Call Manager. Since we are planning to Restrict GSM Calls, find the Route Pattern for GSM Numbers, lets say you have a Route Pattern for GSM with Pattern 0[3567]XXXXXXX, which matches GSM numbers staring with 3,5,6 or 7 (with the initial 0 for outgoing calls). Click on the Copy icon corresponding to this Pattern to create a Copy. Rename the Description to RP_FOR_GSM_FAC (to identify that its an Route Pattern for GSM with FAC). Then click the check box Require Forced Authorization Code to enable FAC and enter a value for Authorization Level, lets say 0 (it could be a value from 0 to 255 but it should not be overlapping with any existing Authorization level's). In the Route Partition box select the Partition created before (PT_FORCED_GSM) and click Save.
Step 3: Next step is to create a Calling Search Space or CSS which includes the new PT_FORCED_GSM. Go to Call Routing > Class of Control > Calling Search Space and click on Find to see all existing CSS's. Copy a CSS that comes close to your requirement or click Add New to create a new CSS. Give a name, lets say CSS_LOCAL_WITH_FAC_FOR_GSM and select PT_FORCED_GSM along with all the Partitions needed (do not select the partition that allows GSM calls without a FAC) and click Save.
Step 4:Now go to Device > Phone and find the phone for which the Call Restrictions should to be applied. For the required line number change the Calling Search Space to the new CSS created, CSS_LOCAL_WITH_FAC_FOR_GSM and click Save to apply the setting to the phone. Similarly for all phones which need GSM Call Restriction change the CSS to CSS_LOCAL_WITH_FAC_FOR_GSM.
Step 5: To create a FAC code, go to Call Routing > Forced Authorization Codes and click Add New to create a new FAC. Give an Authorization Code Name (say GSM_PIN), Authorization Code with a PIN Number (say 1234) and Authorization Level as 0 (or the Authorization level chosen in Step 2).
Now after a GSM number is dialled on the applied phone, the phone will ask for a FAC code, where you can enter 1234 to make a GSM call.
Step 1: First step would be to login to the Call Manager, go to Call Routing > Class of Control > Partition and then click Add New to create a new partition. Enter name as PT_FORCED_GSM (or any sensible name starting with PT to let you know that it's a Partition).
Step 2: Next we need to create a new Route Pattern with FAC enabled. For this go to Call Routing > Route/Hunt > Route Pattern, click Find to see all the existing Route Patterns on your Call Manager. Since we are planning to Restrict GSM Calls, find the Route Pattern for GSM Numbers, lets say you have a Route Pattern for GSM with Pattern 0[3567]XXXXXXX, which matches GSM numbers staring with 3,5,6 or 7 (with the initial 0 for outgoing calls). Click on the Copy icon corresponding to this Pattern to create a Copy. Rename the Description to RP_FOR_GSM_FAC (to identify that its an Route Pattern for GSM with FAC). Then click the check box Require Forced Authorization Code to enable FAC and enter a value for Authorization Level, lets say 0 (it could be a value from 0 to 255 but it should not be overlapping with any existing Authorization level's). In the Route Partition box select the Partition created before (PT_FORCED_GSM) and click Save.
Step 3: Next step is to create a Calling Search Space or CSS which includes the new PT_FORCED_GSM. Go to Call Routing > Class of Control > Calling Search Space and click on Find to see all existing CSS's. Copy a CSS that comes close to your requirement or click Add New to create a new CSS. Give a name, lets say CSS_LOCAL_WITH_FAC_FOR_GSM and select PT_FORCED_GSM along with all the Partitions needed (do not select the partition that allows GSM calls without a FAC) and click Save.
Step 4:Now go to Device > Phone and find the phone for which the Call Restrictions should to be applied. For the required line number change the Calling Search Space to the new CSS created, CSS_LOCAL_WITH_FAC_FOR_GSM and click Save to apply the setting to the phone. Similarly for all phones which need GSM Call Restriction change the CSS to CSS_LOCAL_WITH_FAC_FOR_GSM.
Step 5: To create a FAC code, go to Call Routing > Forced Authorization Codes and click Add New to create a new FAC. Give an Authorization Code Name (say GSM_PIN), Authorization Code with a PIN Number (say 1234) and Authorization Level as 0 (or the Authorization level chosen in Step 2).
Now after a GSM number is dialled on the applied phone, the phone will ask for a FAC code, where you can enter 1234 to make a GSM call.
