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BudgeTone-100 User Manual Grandstream Networks, Inc.
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3 Product Overview
Grandstream IP Phone is a next generation IP network telephone based on industry open
standard SIP (Session Initiation Protocol). Built on innovative technology, Grandstream
IP Phone features market leading superb sound quality and rich functionalities at mass-
affordable price.
3.1 Key Features
• Support SIP 2.0, TCP/UDP/IP, PPPoE, RTP/RTCP, HTTP, ARP/RARP, ICMP,
DNS, DHCP, NTP/SNTP, TFTP protocols
• Support NAT traversal using IETF STUN and Symmetric RTP
• Advanced Digital Signal Processing (DSP) technology to ensure superior hi-
fidelity audio quality, interoperable with various 3
rd
party SIP end user device,
Proxy/Registrar/Server and Gateway products
• Advanced and patent pending adaptive jitter buffer control, packet delay and loss
concealment technology
• Support popular codecs including G711 (a-law and u-law), G722, G.723.1
(5.3K/6.3K), G.726 (40K/32K/24K/16K), G.728, G.729A/B and iLBC. Dynamic
negotiation of codec and voice payload length
• Support standard voice features such as Caller ID Display or Block, Call Waiting,
Call Hold, Call Transfer, Do-Not-Disturb, Flash, Call Forwarding, in-band and
out-of-band DTMF(RFC2833), SIP INFO, Dial Plans, Off-Hook Auto Dial, Auto
Answer, Early Dial and Speed Dial, etc.
• Full duplex hands-free speakerphone, redial, call log, volume control, voice mail
with indicator, downloadable ring tone, etc.
• Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort
Noise Generation), Line Echo Cancellation (G.168) and AGC (Automatic Gain
Control)
• Support DIGEST authentication and encryption using MD5 and MD5-sess)
• Provide easy configuration through manual operation (phone keypad), Web
interface or automated provisioning via central configuration through secure
TFTP file for mass deployment
• Support for Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ,
MPLS)
• NAT friendly remote software upgrade capability (via TFTP) even from behind
firewall/NATs
• Support DNS SRV Look up and SIP Server Fail Over (pending)