ZyXEL Communications VOP1372G-61 User Manual page 11

Table 2 Supported Tones
TONE
Ringback tone
Waiting tone
Howler tone
Message Waiting
Indication (MWI) tone
Holding tone
Distinctive ring
Configurable POTS Ring Patterns
You can configure POTS (Plain Old Telephony Service) distinctive ring patterns. These ring patterns
define the ring the VOP sends to the connected POTS phones for incoming calls.
European and USA Supplementary Phone Services
The VOP supports both European and American style supplementary phone services (call hold, call
waiting, call transfer and three-way conference calls).
IEEE 802.1Q Tagged VLAN
Your VOP uses the IEEE 802.1Q Tagged VLAN (Virtual Local Area Network), which allows it to
deliver tagged/untagged frames. The IES supports up to 4094 individual VLANs.
Quality of Service (QoS)
The VOP supports IEEE 802.1p QoS (Quality of Service) network traffic prioritization for RTP traffic,
as well as DSCP (Differentiated Services Code Point) and ToS (Type of Service) tagging.
3-way Conference Call
The VOP can combine two calls of different codecs into the same conference call.
Analog Modem Pass-through
The VOP supports analog modem service over the voice channel.
Fax Pass-through and T.38 Relay
The VOP supports fax service over the voice channel using G.711 or using T.38 relay.
Country Code
Many settings governing call functions differ from one region to another. The VOP allows you to set
these by entering a preconfigured country code. The following variables are affected when you set
the country code.
VOP1372G-61 User's Guide
INDICATION
The remote party's phone is ringing.
The other party's line is engaged.
The handset has been left off-hook too long.
A voicemail message is waiting.
The caller has been placed on hold.
The VOP has a list of ring patterns based on country codes that the H.248 Media
Gateway Controller (MGC) can have the VOP send to the connected telephones.
Chapter 1 Introducing the VOP1372G
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