Technical Articles
Detailed technical articles, test results and solution architectures for network, telecom, IoT and cloud systems. Improve your infrastructure with expert insights.
Can a Gigaset Cordless Phone Work With a Different Base?
Gigaset cordless phones can theoretically register to another base via DECT/GAP; basic calling works, while advanced features are safer within the sam...
What Is SCCP?
SCCP is Cisco’s proprietary stimulus-based control protocol between CallManager/CUCM and Skinny IP phones over TCP; media rides RTP/UDP....
What Is a Webinar?
A webinar is a live or recorded presentation or seminar session over the web—a common form under the web conferencing umbrella....
What Is SIP Hotspot?
SIP Hotspot uses one IP phone as a SIP server to share one account with client phones; all sets ring on inbound calls....
What Is the Difference Between 2.4 GHz and 5 GHz WiFi?
2.4 GHz offers longer range; 5 GHz generally delivers higher speeds. Dual-band access points use both bands....
What Is LLDP?
LLDP is the IEEE 802.1AB link-layer discovery protocol; switches, phones, and APs advertise neighbor information. LLDP-MED can carry voice VLAN and po...
9 Essential Call Center Reports
Nine commonly used call center reports. No “discover” CTA — a measurement list....
IP PBX and IP Phone Systems Guide
IP PBX and IP phones together form the backbone of enterprise VoIP. A concise framework for selection and migration....
Wallboards for Contact Centers
A wallboard is a live wall or screen panel showing queue and agent KPIs in a contact center; it aligns supervisors and teams....
Computer Telephony Integration (CTI)
CTI links the computer and phone system so calls can be managed from the desktop. Click-to-call and transfer are typical functions....
What Is MOS (Mean Opinion Score)?
MOS is the perceived score for voice quality. In VoIP, latency, jitter, packet loss, and codec choice affect the score....
LDAP Phone Directory Setup
LDAP delivers a contact directory to IP phones from a central directory. It ends per-device phonebooks; the bind account should be read-only....