This section describes the steps to enable the transparent mode support for registering clients, using B2BUA.
Select VoIP from the Configuration Menu on the left-hand side.
Configure the system’s VoIP settings.
Configuring VoIP Parameters
Parameter | Example Configuration Value |
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Enable LLDP | Enabled (default) |
LLDP Broadcast Interval (sec) | 30 (default) |
TFTP Server IP Address | Disabled |
Use ALG Alias IP Addresses | Disabled |
Do Strict RTP Source Check | Disabled |
Enable Client List Lockdown | Disabled |
Allow Shared Usernames | Disabled |
Strip G.729 from Calls | Disabled |
Route all SIP Signalling Through B2BUA | Enabled |
Enable Microsoft Feature | Disabled |
Enable Comfort Noise Generation (CNG) | Disabled |
Enable User-Agent Header Pass-Through | Disabled |
Enable SRTP Support | Disabled |
Enable MKI Support | Disabled Note: This is optional. This depends on whether or not MKI support is enabled on MS Teams. |
H.225/H.245 Port Range | 14085-15084 (default) |
RTP Port Range | 16386-18385 (default) |
RTP Packetization Time (ms) | 20 |
Prioritize Microsoft Teams | Not Required for MS Team. The system will automatically prioritize signaling and media. This setting is used when the system is “NATing” MS Teams traffic. |
Calculate RTT | Enabled (default) |
Select VoIP > SIP from the Configuration Menu on the left-hand side.
Configure the SIP Server Settings for the B2BUA transparent mode support.
Configuring SIP Server Settings Parameters
Parameter | Example Configuration Value |
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SIP Server Address | siptrunk.domain.com |
SIP Server Port | 5060 (Verify with your SIP trunking provider which SIP port to configure.) Note: If the FQDN resolves to a different port for the SIP Server Address the system will use the port returned in the DNS query response. |
SIP Server Transport | UDP |
Enable SRTP | Disabled |
Use Custom Domain | Enabled |
SIP Server Domain | sipserver.domain.com |
List of SIP Servers | None |
Load Balancing (Round Robin) | Enabled |
Enable Multi-homed Outbound Proxy Mode | Disabled |
Enable Transparent Proxy Mode | Disabled |
Limit Outbound to Listed SIP Servers | Enabled |
Limit Inbound to Listed SIP Servers | Enabled |
Dynamic List of SIP Proxies support | Disabled |
Include UPDATE in Allow | Enabled |
PRACK Support | Enabled |
GEOLOCATION Support | Disabled |
Call Audit Support | Disabled |
Enable Sub Domain Pass through support | Disabled |
Enable P-Associated-URI support | Disabled |
SIP Use New Port on Hold Resume | Enabled |
State client time(m) | 1440 |
List of Allowed SIP servers |
SIP Server Address/FQDN | None |
Transport | UDP |
Action | None |
SDP Modifications |
SDP Codec Operation | No action |
SDP Section that will be modified | Disabled |
Codecs (Comma separated list) | Disabled |
Reject when No match Codec | Disabled |
Strip Matched Expressions for Request | None |
Strip Matched Expressions for Response | None |
Priority Numbers |
Priority Number 1: Priority Number 2: Priority Number 3: Priority Number 4: | Not set |
- Click Submit to apply changes.