Via: SIP/2.0/UDP 12.254.48.7:5060 branch=z9hG4bK14fcef5a rportįrom: SIP INVITE (sent to Webex Calling) from LGW INVITE SIP/2. Incoming SIP INVITE (received at Local Gateway) over the incoming PSTN Trunk: INVITE SIP/2.0 That’s it You will no longer receive calls from unidentified callers. If the provider is using National numbering schemes, thenĭeploy the normalization rules at the Local Gateway trunk before sending the incoming PSTN call to Webex Calling.Ī sample normalization rule (IOS-XE SIP Profile to transform the From Header into an E164 format) for reference: Open the Phone by Google app and tap the three-dot menu icon in the top-right corner. When using a wildcard pattern X, the number of digits must match with the number of X characters that you’ve configured.įor example: If you want to block all numbers coming in from NPA-NXX 212-505, then use an E164 format of +1212505XXXX.Ĭheck with your PSTN provider on the use of E164 numbering formats. Issue: Webex Calling doesn’t block incoming PSTN calls although the numbers are configured in the Call Block List.Ĭheck the configured patterns in the Control Hub under Call Block List.Įnsure that the E164 number pattern exactly matches the calling number that you’re trying to block. Potential workarounds or solutions to resolve the issue. Blocking calls on your work phone Check with your phone system provider or IT service desk if you are able to block calls on your phone at work SIP Connect. If the functionality isn’t working, then use the Use these steps to troubleshoot issues with blocking inbound spam calls. You can make an outbound call to the blocked numbers. Webex Calling can block calls in these scenarios:Ĭalls from anonymous numbers where the calling information isn’t available in the SIP From/P-Asserted-Id headers.Ĭalls with the presentation status marked as private. Activate or deactivate blocked numbers After adding numbers to the Blocked List, you can activate or deactivate them. PSTN trunks) before sending the calls to Webex Calling. (Optional) Click Account Management, Account settings, then click the Zoom Phone tab, to enable the Block Calls without Caller ID toggle to block all incoming callers that hide their caller ID. If the number schema used by your PSTN provider is non-E164, use the normalization rules at the Local gateway (for on-premise For a successful match and call rejection, specify the calling number coming from the PSTN trunk in an equivalent E164 format. Locally configured E164 patterns that is defined on Control Hub. The calling numbers (coming from the PSTN trunks) are matched against the The callers are disconnected and may hear an announcement depending on the PSTN type (Local or Cisco PSTN) usedīy their organization and the local PSTN provider. Webex Calling rejects an external (PSTN) call coming in from blocked numbers, which are defined in the call block list in Control Hub or the User blocklist in Webex App. Known offenders such as disgruntled customers or ex-employeesīlocking these calls help to reduce time in answering these calls, and protect the users from security threats or harassment. Policies for an organization to block calls from one of the following numbers:Ĭonfigured numbers, for example: telemarketing callers or collection agencies Webex Calling customer administrators can block incoming PSTN calls from numbers which are either spam or harassing.
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