Flowroute supports three-digit dial plans as regulated by the FCC and are offered for use in our services.  977 Text Telephone (TTY) services are also supported by Flowroute. These services are provided for the deaf and hard of hearing population which requires and relies on having additional assistance in voice services. TTY makes it possible for the deaf and hard of hearing to successfully make phone calls to users of regular phone systems. 911 The E911 emergency services are provided as regulated to customers who have designated the outbound number with an E911 profile. To make use of this service, you must have an existing E911 address set up in the Flowroute DID page in the Manage Portal . Once the E911 service has been set up, this dial plan will allow for the correct emergency services to be contacted in an event to which they need to respond …

Please refer to Technical Specifications for a complete service guide. Codecs Supported (SDP media attribute): G.711 Ulaw (0) G.711 Alaw (8) DTMF tones (101) G.729a (18) Flowroute takes a unique approach to deliver call audio: via Direct Media . RTP media on your calls is delivered directly from your equipment to a peering network’s media gateway on the PSTN. Read more about Direct Media in this KB article .

… Password found in your Flowroute “SIP Credentials” into this field. “Outbound Proxy/Domain/Gateway Host/SIP Server” - Enter your preferred Flowroute Point of Presence (PoP) for your connection to our network and use Port 5060. You can view our POPs by navigating to Interconnections > Registration in the Flowroute Customer Portal or view the list at this link: https://support.flowroute.com/523626-Interconnection-with-Flowroute-PoPs “Audio Codec” - Ensure that your system uses the G.711-ulaw and the optional g.711-alaw codec. You also have the option to add the G.729 codec. If your PBX and the receiving destination support it, the codec will be used.  Dialing patterns (To and From) In the Outbound Caller ID Number field, enter the number you want to show as the number you’re calling from. This will appear in the From header. It should be in full 11-digit format …

… 523626-Interconnection-with-Flowroute-PoPs Leave the “ Outbound Proxy ” blank. Check the “ SIP Registration required ” box and enter your Flowroute Tech Prefix in the “ Login ID ” field. Enter the password associated with your Tech Prefix in the “ Password ” field. Enter the same preferred Flowroute PoP in the “ Registrar ” field. You can check the phone system registration status in the Flowroute Customer Portal “ Interconnections ” menu in the “ Status ” tab. Codecs Select G.729 and PCMU (G.711) for use with Flowroute. Dialing patterns (To and From) In the Caller ID Number field, enter the number you want to show as the number you’re calling from. This will appear in the From header. Remember to prepend a 1 for 10-digit dialing for outbound domestic US and Canada calling. Strip the 011 in the dialing pattern for outbound international calls. For 3-digit dialing, Flowroute supports 711, 911, 933, and 988 …

… outgoing calls if registration fails ”. Enter the Flowroute “ Tech Prefix ” into the “ Username ” field. Enter your password from the Flowroute “ SIP Credentials ” into the Grandstream “ Password ” field. Enter the “ Tech Prefix ” into the “ AuthID ” field. Save the configuration and then navigate back into the Grandstream Trunk configuration settings to make several more changes. In the “ Basic Settings ” tab, enter the Flowroute POP you selected. Click on the “ Advanced Settings ” tab and choose the PCMU (G.711) and G.729 audio codecs. Change the “ DID Mode ” to “ Request-line ”. If you have a NAT policy causing the contact header in the Register packet to display a Private IP, you will need to correct it to show a Public IP. In the Grandstream user interface, navigate to the “ PBX ” menu and choose “ SIP Settings ,” then click the NAT tab. Enter the Public IP into the “ External Host ” field and add your local …

… following the above guidelines for a consistent call delivery. A National Number that is no less than 10 digits and prepended with the country code "1". Properly formatted NPA (area code) or NXX (telephone exchange) number without a 0 or 1 as the 1st or 4th digit. A valid and in-service 10-digit number. This guideline does not include NPAs without an NXX assigned, such as those operating as a 3-digit service number (711, 911 etc.). For a complete verification of outbound calls, check the internal logs to confirm the provided ANI is adhering to the guidelines above. Ensuring the company's adherence to these practices may help agencies, including PSAPs, emergency operations centers, and law enforcement from encountering a block. NOTE: If a P-Charge-info header is not found, or is unable to be changed, please contact a local IT Professional to assist with specific configurations …

… a call was diverted and the diversion reason(s). Session Timers Defined in RFC 4028. Allow for establishing a call expiration interval to avoid runaway calls if a connection is lost. Optional. ISUP-OLI & JIP Where available, can provide additional calling party info. Custom Tags Allow logging up to 32 character strings in your call CDRs via an X-Tag header in either initial INVITE or answering 200 OK. Codecs Supported (SDP media attribute) G.711 Ulaw (0) G.711 Alaw (8) DTMF tones (101) G.729a (18) Recommended fax transmission guidelines Session negotiation : Switch to T.38 is dependent on end-user system reINVITE during an established G.711 audio codec session. Fallback : End-user system should support fallback to G.711 ulaw pass-through in the event of T.38 negotiation failure. Maximum transmission rate : 9600 baud. Fax Error Correction Mode (ECM) : Not supported. T.38 UDP Error …

… because we require you to send 11 digits outbound for domestic calling. Enter 11 in the field “Calls to numbers with a length of”. If you dial 10 digits, calls will fail. Create another rule for 10 digits and prepend a 1 if your client only wishes to dial 10 digits. Click on the Route and set the Trunk/Tech Prefix. You can also add your CID in the “Outbound caller ID” field. We support 711, 911, 933, 988 regarding 3-digit dialing. Name and then set the rule to apply to calls with a length of three digits. Assign the Trunk/Tech Prefix in the Route field. Enter a Caller ID in the “Outbound caller ID” field. If you plan to use the rule for dialing to 911, enter your E911 number for the caller ID here. For International dialing, enter 011 into the “Calls to numbers starting with …