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v1.01
M215SC User Manual Appendix 1 - Base Station Settings
Signaling Settings Description
Local SIP port Enter the local SIP port.
Transport Select the SIP transport protocol:
TCP (Transmission Control Protocol) is the most reliable protocol and includes
error checking and delivery validation.
UDP (User Datagram Protocol) is generally less prone to latency, but SIP data may
be subject to network congestion.
TLS (Transport Layer Security)—the phone supports secured SIP signalling via
TLS. Optional server authentication is supported via user-uploaded certificates.
TLS certificates are uploaded using the configuration file.
Feature Access Code Settings Description
Voicemail Enter the voicemail access code. The code is dialed when the user selects a line from
the Message menu.
DND ON Enter the Do Not Disturb ON access code.
DND OFF Enter the Do Not Disturb OFF access code.
Call Forward All ON Enter the Call Forward All ON access code.
Call Forward All OFF Enter the Call Forward All OFF access code.
Call Forward No Answer ON Enter the Call Forward No Answer ON access code.
Call Forward No Answer OFF Enter the Call Forward No Answer OFF access code.
Call Forward Busy ON Enter the Call Forward Busy ON access code.
Call Forward Busy OFF Enter the Call Forward Busy OFF access code.
Anonymous Call Reject ON Enter the Anonymous Call Reject ON access code.
Anonymous Call Reject OFF Enter the Anonymous Call Reject OFF access code.
Anonymous Call ON Enter the Anonymous Call ON access code.
Anonymous Call OFF Enter the Anonymous Call OFF access code.
Voicemail Settings Description
Enable MWI Subscription When enabled, the account subscribes to the "message summary" event package. The
account may use the User ID or the service provider's "Mailbox ID".
Mailbox ID Enter the URI for the mailbox ID. The phone uses this URI for the MWI subscription. If
left blank, the User ID is used for the MWI subscription.
MWI subscription expiration Enter the MWI subscription expiry time (in seconds) for account x.
Ignore unsolicited MWI When selected, unsolicited MWI notifications—notifications in addition to, or instead
of SUBSCRIBE and NOTIFY methods—are ignored for account x. If the phone receives
unsolicited MWI notifications, the Message Waiting LED will not light to indicate new
messages. Disable this setting if:
MWI service does not involve a subscription to a voicemail server. That is, the
server supports unsolicited MWI notifications.
you want the Message Waiting LED to indicate new messages when the phone
receives unsolicited MWI notifications.
NAT Traversal Settings Description
Enable STUN Enables or disables STUN (Simple Traversal of UDP through NATs) for account x. The
Enable STUN setting allows the phone to identify its publicly addressable information
behind a NAT via communicating with a STUN server.
Server address Enter the STUN server IP address or domain name.
Server port Enter the STUN server port.
Enable UDP Keep-Alive Enables or disables UDP keep-alives. Keep-alive packets are used to maintain
connections established through NAT.
Keep-alive interval (secs) Enter the interval (in seconds) for sending UDP keep-alives.
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